247621140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 866829600

約数和(自身を除く): 619208460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 41, 45, 52, 58, 60, 65, 78, 82, 87, 89, 90, 116, 117, 123, 130, 145, 156, 164, 174, 178, 180, 195, 205, 234, 246, 260, 261, 267, 290, 348, 356, 369, 377, 390, 410, 435, 445, 468, 492, 522, 533, 534, 580, 585, 615, 738, 754, 780, 801, 820, 870, 890, 1044, 1066, 1068, 1131, 1157, 1170, 1189, 1230, 1305, 1335, 1476, 1508, 1599, 1602, 1740, 1780, 1845, 1885, 2132, 2262, 2314, 2340, 2378, 2460, 2581, 2610, 2665, 2670, 3198, 3204, 3393, 3471, 3567, 3649, 3690, 3770, 4005, 4524, 4628, 4756, 4797, 5162, 5220, 5330, 5340, 5655, 5785, 5945, 6396, 6786, 6942, 7134, 7298, 7380, 7540, 7743, 7995, 8010, 9594, 10324, 10413, 10660, 10701, 10947, 11310, 11570, 11890, 12905, 13572, 13884, 14268, 14596, 15457, 15486, 15990, 16020, 16965, 17355, 17835, 18245, 19188, 20826, 21402, 21894, 22620, 23140, 23229, 23780, 23985, 25810, 30914, 30972, 31980, 32841, 33553, 33930, 34710, 35670, 36490, 38715, 41652, 42804, 43788, 46371, 46458, 47437, 47970, 51620, 52065, 53505, 54735, 61828, 65682, 67106, 67860, 69420, 71340, 72980, 77285, 77430, 92742, 92916, 94874, 95940, 100659, 104130, 105821, 107010, 109470, 116145, 131364, 134212, 139113, 142311, 154570, 154860, 164205, 167765, 185484, 189748, 201318, 208260, 211642, 214020, 218940, 231855, 232290, 237185, 278226, 284622, 301977, 309140, 317463, 328410, 335530, 402636, 423284, 426933, 463710, 464580, 474370, 503295, 529105, 556452, 569244, 603954, 634926, 656820, 671060, 695565, 711555, 853866, 927420, 948740, 952389, 1006590, 1058210, 1207908, 1269852, 1375673, 1391130, 1423110, 1509885, 1587315, 1707732, 1904778, 2013180, 2116420, 2134665, 2751346, 2782260, 2846220, 3019770, 3174630, 3809556, 4127019, 4269330, 4761945, 5502692, 6039540, 6349260, 6878365, 8254038, 8538660, 9523890, 12381057, 13756730, 16508076, 19047780, 20635095, 24762114, 27513460, 41270190, 49524228, 61905285, 82540380, 123810570, 247621140]

約数ペア:

[(1, 247621140), (2, 123810570), (3, 82540380), (4, 61905285), (5, 49524228), (6, 41270190), (9, 27513460), (10, 24762114), (12, 20635095), (13, 19047780), (15, 16508076), (18, 13756730), (20, 12381057), (26, 9523890), (29, 8538660), (30, 8254038), (36, 6878365), (39, 6349260), (41, 6039540), (45, 5502692), (52, 4761945), (58, 4269330), (60, 4127019), (65, 3809556), (78, 3174630), (82, 3019770), (87, 2846220), (89, 2782260), (90, 2751346), (116, 2134665), (117, 2116420), (123, 2013180), (130, 1904778), (145, 1707732), (156, 1587315), (164, 1509885), (174, 1423110), (178, 1391130), (180, 1375673), (195, 1269852), (205, 1207908), (234, 1058210), (246, 1006590), (260, 952389), (261, 948740), (267, 927420), (290, 853866), (348, 711555), (356, 695565), (369, 671060), (377, 656820), (390, 634926), (410, 603954), (435, 569244), (445, 556452), (468, 529105), (492, 503295), (522, 474370), (533, 464580), (534, 463710), (580, 426933), (585, 423284), (615, 402636), (738, 335530), (754, 328410), (780, 317463), (801, 309140), (820, 301977), (870, 284622), (890, 278226), (1044, 237185), (1066, 232290), (1068, 231855), (1131, 218940), (1157, 214020), (1170, 211642), (1189, 208260), (1230, 201318), (1305, 189748), (1335, 185484), (1476, 167765), (1508, 164205), (1599, 154860), (1602, 154570), (1740, 142311), (1780, 139113), (1845, 134212), (1885, 131364), (2132, 116145), (2262, 109470), (2314, 107010), (2340, 105821), (2378, 104130), (2460, 100659), (2581, 95940), (2610, 94874), (2665, 92916), (2670, 92742), (3198, 77430), (3204, 77285), (3393, 72980), (3471, 71340), (3567, 69420), (3649, 67860), (3690, 67106), (3770, 65682), (4005, 61828), (4524, 54735), (4628, 53505), (4756, 52065), (4797, 51620), (5162, 47970), (5220, 47437), (5330, 46458), (5340, 46371), (5655, 43788), (5785, 42804), (5945, 41652), (6396, 38715), (6786, 36490), (6942, 35670), (7134, 34710), (7298, 33930), (7380, 33553), (7540, 32841), (7743, 31980), (7995, 30972), (8010, 30914), (9594, 25810), (10324, 23985), (10413, 23780), (10660, 23229), (10701, 23140), (10947, 22620), (11310, 21894), (11570, 21402), (11890, 20826), (12905, 19188), (13572, 18245), (13884, 17835), (14268, 17355), (14596, 16965), (15457, 16020), (15486, 15990)]