81209040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1665

約数の個数: 160

約数和(自身を含む): 289267200

約数和(自身を除く): 208058160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 418, 440, 456, 528, 570, 627, 660, 760, 836, 880, 912, 1045, 1140, 1254, 1320, 1520, 1619, 1672, 2090, 2280, 2508, 2640, 3135, 3238, 3344, 4180, 4560, 4857, 5016, 6270, 6476, 8095, 8360, 9714, 10032, 12540, 12952, 16190, 16720, 17809, 19428, 24285, 25080, 25904, 30761, 32380, 35618, 38856, 48570, 50160, 53427, 61522, 64760, 71236, 77712, 89045, 92283, 97140, 106854, 123044, 129520, 142472, 153805, 178090, 184566, 194280, 213708, 246088, 267135, 284944, 307610, 338371, 356180, 369132, 388560, 427416, 461415, 492176, 534270, 615220, 676742, 712360, 738264, 854832, 922830, 1015113, 1068540, 1230440, 1353484, 1424720, 1476528, 1691855, 1845660, 2030226, 2137080, 2460880, 2706968, 3383710, 3691320, 4060452, 4274160, 5075565, 5413936, 6767420, 7382640, 8120904, 10151130, 13534840, 16241808, 20302260, 27069680, 40604520, 81209040]

約数ペア:

[(1, 81209040), (2, 40604520), (3, 27069680), (4, 20302260), (5, 16241808), (6, 13534840), (8, 10151130), (10, 8120904), (11, 7382640), (12, 6767420), (15, 5413936), (16, 5075565), (19, 4274160), (20, 4060452), (22, 3691320), (24, 3383710), (30, 2706968), (33, 2460880), (38, 2137080), (40, 2030226), (44, 1845660), (48, 1691855), (55, 1476528), (57, 1424720), (60, 1353484), (66, 1230440), (76, 1068540), (80, 1015113), (88, 922830), (95, 854832), (110, 738264), (114, 712360), (120, 676742), (132, 615220), (152, 534270), (165, 492176), (176, 461415), (190, 427416), (209, 388560), (220, 369132), (228, 356180), (240, 338371), (264, 307610), (285, 284944), (304, 267135), (330, 246088), (380, 213708), (418, 194280), (440, 184566), (456, 178090), (528, 153805), (570, 142472), (627, 129520), (660, 123044), (760, 106854), (836, 97140), (880, 92283), (912, 89045), (1045, 77712), (1140, 71236), (1254, 64760), (1320, 61522), (1520, 53427), (1619, 50160), (1672, 48570), (2090, 38856), (2280, 35618), (2508, 32380), (2640, 30761), (3135, 25904), (3238, 25080), (3344, 24285), (4180, 19428), (4560, 17809), (4857, 16720), (5016, 16190), (6270, 12952), (6476, 12540), (8095, 10032), (8360, 9714)]