1638928980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:431

約数の個数: 288

約数和(自身を含む): 5694474240

約数和(自身を除く): 4055545260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 191, 193, 195, 228, 234, 247, 260, 285, 342, 380, 382, 386, 390, 468, 494, 570, 573, 579, 585, 684, 741, 764, 772, 780, 855, 955, 965, 988, 1140, 1146, 1158, 1170, 1235, 1482, 1710, 1719, 1737, 1910, 1930, 2223, 2292, 2316, 2340, 2470, 2483, 2509, 2865, 2895, 2964, 3420, 3438, 3474, 3629, 3667, 3705, 3820, 3860, 4446, 4940, 4966, 5018, 5730, 5790, 6876, 6948, 7258, 7334, 7410, 7449, 7527, 8595, 8685, 8892, 9932, 10036, 10887, 11001, 11115, 11460, 11580, 12415, 12545, 14516, 14668, 14820, 14898, 15054, 17190, 17370, 18145, 18335, 21774, 22002, 22230, 22347, 22581, 24830, 25090, 29796, 30108, 32661, 33003, 34380, 34740, 36290, 36670, 36863, 37245, 37635, 43548, 44004, 44460, 44694, 45162, 47177, 47671, 49660, 50180, 54435, 55005, 65322, 66006, 72580, 73340, 73726, 74490, 75270, 89388, 90324, 94354, 95342, 108870, 110010, 110589, 111735, 112905, 130644, 132012, 141531, 143013, 147452, 148980, 150540, 163305, 165015, 184315, 188708, 190684, 217740, 220020, 221178, 223470, 225810, 235885, 238355, 283062, 286026, 326610, 330030, 331767, 368630, 424593, 429039, 442356, 446940, 451620, 471770, 476710, 479219, 552945, 566124, 572052, 653220, 660060, 663534, 700397, 707655, 715065, 737260, 849186, 858078, 943540, 953420, 958438, 1105890, 1327068, 1400794, 1415310, 1430130, 1437657, 1658835, 1698372, 1716156, 1916876, 2101191, 2122965, 2145195, 2211780, 2396095, 2801588, 2830620, 2860260, 2875314, 3317670, 3501985, 4202382, 4245930, 4290390, 4312971, 4792190, 5750628, 6303573, 6635340, 7003970, 7188285, 8404764, 8491860, 8580780, 8625942, 9105161, 9584380, 10505955, 12607146, 14007940, 14376570, 17251884, 18210322, 21011910, 21564855, 25214292, 27315483, 28753140, 31517865, 36420644, 42023820, 43129710, 45525805, 54630966, 63035730, 81946449, 86259420, 91051610, 109261932, 126071460, 136577415, 163892898, 182103220, 273154830, 327785796, 409732245, 546309660, 819464490, 1638928980]

約数ペア:

[(1, 1638928980), (2, 819464490), (3, 546309660), (4, 409732245), (5, 327785796), (6, 273154830), (9, 182103220), (10, 163892898), (12, 136577415), (13, 126071460), (15, 109261932), (18, 91051610), (19, 86259420), (20, 81946449), (26, 63035730), (30, 54630966), (36, 45525805), (38, 43129710), (39, 42023820), (45, 36420644), (52, 31517865), (57, 28753140), (60, 27315483), (65, 25214292), (76, 21564855), (78, 21011910), (90, 18210322), (95, 17251884), (114, 14376570), (117, 14007940), (130, 12607146), (156, 10505955), (171, 9584380), (180, 9105161), (190, 8625942), (191, 8580780), (193, 8491860), (195, 8404764), (228, 7188285), (234, 7003970), (247, 6635340), (260, 6303573), (285, 5750628), (342, 4792190), (380, 4312971), (382, 4290390), (386, 4245930), (390, 4202382), (468, 3501985), (494, 3317670), (570, 2875314), (573, 2860260), (579, 2830620), (585, 2801588), (684, 2396095), (741, 2211780), (764, 2145195), (772, 2122965), (780, 2101191), (855, 1916876), (955, 1716156), (965, 1698372), (988, 1658835), (1140, 1437657), (1146, 1430130), (1158, 1415310), (1170, 1400794), (1235, 1327068), (1482, 1105890), (1710, 958438), (1719, 953420), (1737, 943540), (1910, 858078), (1930, 849186), (2223, 737260), (2292, 715065), (2316, 707655), (2340, 700397), (2470, 663534), (2483, 660060), (2509, 653220), (2865, 572052), (2895, 566124), (2964, 552945), (3420, 479219), (3438, 476710), (3474, 471770), (3629, 451620), (3667, 446940), (3705, 442356), (3820, 429039), (3860, 424593), (4446, 368630), (4940, 331767), (4966, 330030), (5018, 326610), (5730, 286026), (5790, 283062), (6876, 238355), (6948, 235885), (7258, 225810), (7334, 223470), (7410, 221178), (7449, 220020), (7527, 217740), (8595, 190684), (8685, 188708), (8892, 184315), (9932, 165015), (10036, 163305), (10887, 150540), (11001, 148980), (11115, 147452), (11460, 143013), (11580, 141531), (12415, 132012), (12545, 130644), (14516, 112905), (14668, 111735), (14820, 110589), (14898, 110010), (15054, 108870), (17190, 95342), (17370, 94354), (18145, 90324), (18335, 89388), (21774, 75270), (22002, 74490), (22230, 73726), (22347, 73340), (22581, 72580), (24830, 66006), (25090, 65322), (29796, 55005), (30108, 54435), (32661, 50180), (33003, 49660), (34380, 47671), (34740, 47177), (36290, 45162), (36670, 44694), (36863, 44460), (37245, 44004), (37635, 43548)]