161807940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2498

約数の個数: 144

約数和(自身を含む): 571753728

約数和(自身を除く): 409945788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 2423, 3180, 3339, 3710, 4452, 4770, 4846, 5565, 6678, 7269, 7420, 9540, 9692, 11130, 12115, 13356, 14538, 16695, 16961, 21807, 22260, 24230, 29076, 33390, 33922, 36345, 43614, 48460, 50883, 66780, 67844, 72690, 84805, 87228, 101766, 109035, 128419, 145380, 152649, 169610, 203532, 218070, 254415, 256838, 305298, 339220, 385257, 436140, 508830, 513676, 610596, 642095, 763245, 770514, 898933, 1017660, 1155771, 1284190, 1526490, 1541028, 1797866, 1926285, 2311542, 2568380, 2696799, 3052980, 3595732, 3852570, 4494665, 4623084, 5393598, 5778855, 7705140, 8090397, 8989330, 10787196, 11557710, 13483995, 16180794, 17978660, 23115420, 26967990, 32361588, 40451985, 53935980, 80903970, 161807940]

約数ペア:

[(1, 161807940), (2, 80903970), (3, 53935980), (4, 40451985), (5, 32361588), (6, 26967990), (7, 23115420), (9, 17978660), (10, 16180794), (12, 13483995), (14, 11557710), (15, 10787196), (18, 8989330), (20, 8090397), (21, 7705140), (28, 5778855), (30, 5393598), (35, 4623084), (36, 4494665), (42, 3852570), (45, 3595732), (53, 3052980), (60, 2696799), (63, 2568380), (70, 2311542), (84, 1926285), (90, 1797866), (105, 1541028), (106, 1526490), (126, 1284190), (140, 1155771), (159, 1017660), (180, 898933), (210, 770514), (212, 763245), (252, 642095), (265, 610596), (315, 513676), (318, 508830), (371, 436140), (420, 385257), (477, 339220), (530, 305298), (630, 256838), (636, 254415), (742, 218070), (795, 203532), (954, 169610), (1060, 152649), (1113, 145380), (1260, 128419), (1484, 109035), (1590, 101766), (1855, 87228), (1908, 84805), (2226, 72690), (2385, 67844), (2423, 66780), (3180, 50883), (3339, 48460), (3710, 43614), (4452, 36345), (4770, 33922), (4846, 33390), (5565, 29076), (6678, 24230), (7269, 22260), (7420, 21807), (9540, 16961), (9692, 16695), (11130, 14538), (12115, 13356)]