8491860

素因数分解:

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

素因数の和:238

約数の個数: 144

約数和(自身を含む): 29352960

約数和(自身を除く): 20861100

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, 195, 228, 234, 247, 260, 285, 342, 380, 382, 390, 468, 494, 570, 573, 585, 684, 741, 764, 780, 855, 955, 988, 1140, 1146, 1170, 1235, 1482, 1710, 1719, 1910, 2223, 2292, 2340, 2470, 2483, 2865, 2964, 3420, 3438, 3629, 3705, 3820, 4446, 4940, 4966, 5730, 6876, 7258, 7410, 7449, 8595, 8892, 9932, 10887, 11115, 11460, 12415, 14516, 14820, 14898, 17190, 18145, 21774, 22230, 22347, 24830, 29796, 32661, 34380, 36290, 37245, 43548, 44460, 44694, 47177, 49660, 54435, 65322, 72580, 74490, 89388, 94354, 108870, 111735, 130644, 141531, 148980, 163305, 188708, 217740, 223470, 235885, 283062, 326610, 424593, 446940, 471770, 566124, 653220, 707655, 849186, 943540, 1415310, 1698372, 2122965, 2830620, 4245930, 8491860]

約数ペア:

[(1, 8491860), (2, 4245930), (3, 2830620), (4, 2122965), (5, 1698372), (6, 1415310), (9, 943540), (10, 849186), (12, 707655), (13, 653220), (15, 566124), (18, 471770), (19, 446940), (20, 424593), (26, 326610), (30, 283062), (36, 235885), (38, 223470), (39, 217740), (45, 188708), (52, 163305), (57, 148980), (60, 141531), (65, 130644), (76, 111735), (78, 108870), (90, 94354), (95, 89388), (114, 74490), (117, 72580), (130, 65322), (156, 54435), (171, 49660), (180, 47177), (190, 44694), (191, 44460), (195, 43548), (228, 37245), (234, 36290), (247, 34380), (260, 32661), (285, 29796), (342, 24830), (380, 22347), (382, 22230), (390, 21774), (468, 18145), (494, 17190), (570, 14898), (573, 14820), (585, 14516), (684, 12415), (741, 11460), (764, 11115), (780, 10887), (855, 9932), (955, 8892), (988, 8595), (1140, 7449), (1146, 7410), (1170, 7258), (1235, 6876), (1482, 5730), (1710, 4966), (1719, 4940), (1910, 4446), (2223, 3820), (2292, 3705), (2340, 3629), (2470, 3438), (2483, 3420), (2865, 2964)]