40857660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 132088320

約数和(自身を除く): 91230660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 139, 142, 180, 207, 213, 230, 276, 278, 284, 345, 355, 414, 417, 426, 460, 556, 639, 690, 695, 710, 828, 834, 852, 1035, 1065, 1251, 1278, 1380, 1390, 1420, 1633, 1668, 2070, 2085, 2130, 2502, 2556, 2780, 3195, 3197, 3266, 4140, 4170, 4260, 4899, 5004, 6255, 6390, 6394, 6532, 8165, 8340, 9591, 9798, 9869, 12510, 12780, 12788, 14697, 15985, 16330, 19182, 19596, 19738, 24495, 25020, 28773, 29394, 29607, 31970, 32660, 38364, 39476, 47955, 48990, 49345, 57546, 58788, 59214, 63940, 73485, 88821, 95910, 97980, 98690, 115092, 118428, 143865, 146970, 148035, 177642, 191820, 197380, 226987, 287730, 293940, 296070, 355284, 444105, 453974, 575460, 592140, 680961, 888210, 907948, 1134935, 1361922, 1776420, 2042883, 2269870, 2723844, 3404805, 4085766, 4539740, 6809610, 8171532, 10214415, 13619220, 20428830, 40857660]

約数ペア:

[(1, 40857660), (2, 20428830), (3, 13619220), (4, 10214415), (5, 8171532), (6, 6809610), (9, 4539740), (10, 4085766), (12, 3404805), (15, 2723844), (18, 2269870), (20, 2042883), (23, 1776420), (30, 1361922), (36, 1134935), (45, 907948), (46, 888210), (60, 680961), (69, 592140), (71, 575460), (90, 453974), (92, 444105), (115, 355284), (138, 296070), (139, 293940), (142, 287730), (180, 226987), (207, 197380), (213, 191820), (230, 177642), (276, 148035), (278, 146970), (284, 143865), (345, 118428), (355, 115092), (414, 98690), (417, 97980), (426, 95910), (460, 88821), (556, 73485), (639, 63940), (690, 59214), (695, 58788), (710, 57546), (828, 49345), (834, 48990), (852, 47955), (1035, 39476), (1065, 38364), (1251, 32660), (1278, 31970), (1380, 29607), (1390, 29394), (1420, 28773), (1633, 25020), (1668, 24495), (2070, 19738), (2085, 19596), (2130, 19182), (2502, 16330), (2556, 15985), (2780, 14697), (3195, 12788), (3197, 12780), (3266, 12510), (4140, 9869), (4170, 9798), (4260, 9591), (4899, 8340), (5004, 8165), (6255, 6532), (6390, 6394)]