72918702920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1987969}}^1$

素因数の和:1988118

約数の個数: 64

約数和(自身を含む): 188936668800

約数和(自身を除く): 116017965880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 1987969, 3975938, 7951876, 9939845, 13915783, 15903752, 19879690, 27831566, 39759380, 55663132, 69578915, 79518760, 111326264, 139157830, 260423939, 278315660, 520847878, 556631320, 1041695756, 1302119695, 1822967573, 2083391512, 2604239390, 3645935146, 5208478780, 7291870292, 9114837865, 10416957560, 14583740584, 18229675730, 36459351460, 72918702920]

約数ペア:

[(1, 72918702920), (2, 36459351460), (4, 18229675730), (5, 14583740584), (7, 10416957560), (8, 9114837865), (10, 7291870292), (14, 5208478780), (20, 3645935146), (28, 2604239390), (35, 2083391512), (40, 1822967573), (56, 1302119695), (70, 1041695756), (131, 556631320), (140, 520847878), (262, 278315660), (280, 260423939), (524, 139157830), (655, 111326264), (917, 79518760), (1048, 69578915), (1310, 55663132), (1834, 39759380), (2620, 27831566), (3668, 19879690), (4585, 15903752), (5240, 13915783), (7336, 9939845), (9170, 7951876), (18340, 3975938), (36680, 1987969)]