42315420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 141916320

約数和(自身を除く): 99600900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 389, 420, 444, 490, 518, 555, 588, 735, 740, 777, 778, 980, 1036, 1110, 1167, 1295, 1470, 1554, 1556, 1813, 1945, 2220, 2334, 2590, 2723, 2940, 3108, 3626, 3885, 3890, 4668, 5180, 5439, 5446, 5835, 7252, 7770, 7780, 8169, 9065, 10878, 10892, 11670, 13615, 14393, 15540, 16338, 18130, 19061, 21756, 23340, 27195, 27230, 28786, 32676, 36260, 38122, 40845, 43179, 54390, 54460, 57183, 57572, 71965, 76244, 81690, 86358, 95305, 100751, 108780, 114366, 143930, 163380, 172716, 190610, 201502, 215895, 228732, 285915, 287860, 302253, 381220, 403004, 431790, 503755, 571830, 604506, 705257, 863580, 1007510, 1143660, 1209012, 1410514, 1511265, 2015020, 2115771, 2821028, 3022530, 3526285, 4231542, 6045060, 7052570, 8463084, 10578855, 14105140, 21157710, 42315420]

約数ペア:

[(1, 42315420), (2, 21157710), (3, 14105140), (4, 10578855), (5, 8463084), (6, 7052570), (7, 6045060), (10, 4231542), (12, 3526285), (14, 3022530), (15, 2821028), (20, 2115771), (21, 2015020), (28, 1511265), (30, 1410514), (35, 1209012), (37, 1143660), (42, 1007510), (49, 863580), (60, 705257), (70, 604506), (74, 571830), (84, 503755), (98, 431790), (105, 403004), (111, 381220), (140, 302253), (147, 287860), (148, 285915), (185, 228732), (196, 215895), (210, 201502), (222, 190610), (245, 172716), (259, 163380), (294, 143930), (370, 114366), (389, 108780), (420, 100751), (444, 95305), (490, 86358), (518, 81690), (555, 76244), (588, 71965), (735, 57572), (740, 57183), (777, 54460), (778, 54390), (980, 43179), (1036, 40845), (1110, 38122), (1167, 36260), (1295, 32676), (1470, 28786), (1554, 27230), (1556, 27195), (1813, 23340), (1945, 21756), (2220, 19061), (2334, 18130), (2590, 16338), (2723, 15540), (2940, 14393), (3108, 13615), (3626, 11670), (3885, 10892), (3890, 10878), (4668, 9065), (5180, 8169), (5439, 7780), (5446, 7770), (5835, 7252)]