90285720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5697

約数の個数: 128

約数和(自身を含む): 325900800

約数和(自身を除く): 235615080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 5657, 7980, 11314, 15960, 16971, 22628, 28285, 33942, 39599, 45256, 56570, 67884, 79198, 84855, 107483, 113140, 118797, 135768, 158396, 169710, 197995, 214966, 226280, 237594, 316792, 322449, 339420, 395990, 429932, 475188, 537415, 593985, 644898, 678840, 752381, 791980, 859864, 950376, 1074830, 1187970, 1289796, 1504762, 1583960, 1612245, 2149660, 2257143, 2375940, 2579592, 3009524, 3224490, 3761905, 4299320, 4514286, 4751880, 6019048, 6448980, 7523810, 9028572, 11285715, 12897960, 15047620, 18057144, 22571430, 30095240, 45142860, 90285720]

約数ペア:

[(1, 90285720), (2, 45142860), (3, 30095240), (4, 22571430), (5, 18057144), (6, 15047620), (7, 12897960), (8, 11285715), (10, 9028572), (12, 7523810), (14, 6448980), (15, 6019048), (19, 4751880), (20, 4514286), (21, 4299320), (24, 3761905), (28, 3224490), (30, 3009524), (35, 2579592), (38, 2375940), (40, 2257143), (42, 2149660), (56, 1612245), (57, 1583960), (60, 1504762), (70, 1289796), (76, 1187970), (84, 1074830), (95, 950376), (105, 859864), (114, 791980), (120, 752381), (133, 678840), (140, 644898), (152, 593985), (168, 537415), (190, 475188), (210, 429932), (228, 395990), (266, 339420), (280, 322449), (285, 316792), (380, 237594), (399, 226280), (420, 214966), (456, 197995), (532, 169710), (570, 158396), (665, 135768), (760, 118797), (798, 113140), (840, 107483), (1064, 84855), (1140, 79198), (1330, 67884), (1596, 56570), (1995, 45256), (2280, 39599), (2660, 33942), (3192, 28285), (3990, 22628), (5320, 16971), (5657, 15960), (7980, 11314)]