256943940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5333}}^1$

素因数の和:5429

約数の個数: 96

約数和(自身を含む): 795747456

約数和(自身を除く): 538803516

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 73, 110, 132, 146, 165, 219, 220, 292, 330, 365, 438, 660, 730, 803, 876, 1095, 1460, 1606, 2190, 2409, 3212, 4015, 4380, 4818, 5333, 8030, 9636, 10666, 12045, 15999, 16060, 21332, 24090, 26665, 31998, 48180, 53330, 58663, 63996, 79995, 106660, 117326, 159990, 175989, 234652, 293315, 319980, 351978, 389309, 586630, 703956, 778618, 879945, 1167927, 1173260, 1557236, 1759890, 1946545, 2335854, 3519780, 3893090, 4282399, 4671708, 5839635, 7786180, 8564798, 11679270, 12847197, 17129596, 21411995, 23358540, 25694394, 42823990, 51388788, 64235985, 85647980, 128471970, 256943940]

約数ペア:

[(1, 256943940), (2, 128471970), (3, 85647980), (4, 64235985), (5, 51388788), (6, 42823990), (10, 25694394), (11, 23358540), (12, 21411995), (15, 17129596), (20, 12847197), (22, 11679270), (30, 8564798), (33, 7786180), (44, 5839635), (55, 4671708), (60, 4282399), (66, 3893090), (73, 3519780), (110, 2335854), (132, 1946545), (146, 1759890), (165, 1557236), (219, 1173260), (220, 1167927), (292, 879945), (330, 778618), (365, 703956), (438, 586630), (660, 389309), (730, 351978), (803, 319980), (876, 293315), (1095, 234652), (1460, 175989), (1606, 159990), (2190, 117326), (2409, 106660), (3212, 79995), (4015, 63996), (4380, 58663), (4818, 53330), (5333, 48180), (8030, 31998), (9636, 26665), (10666, 24090), (12045, 21332), (15999, 16060)]