42671720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 124588800

約数和(自身を除く): 81917080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 617, 665, 728, 760, 910, 988, 1064, 1234, 1235, 1330, 1729, 1820, 1976, 2468, 2470, 2660, 3085, 3458, 3640, 4319, 4936, 4940, 5320, 6170, 6916, 8021, 8638, 8645, 9880, 11723, 12340, 13832, 16042, 17276, 17290, 21595, 23446, 24680, 32084, 34552, 34580, 40105, 43190, 46892, 56147, 58615, 64168, 69160, 80210, 82061, 86380, 93784, 112294, 117230, 152399, 160420, 164122, 172760, 224588, 234460, 280735, 304798, 320840, 328244, 410305, 449176, 468920, 561470, 609596, 656488, 761995, 820610, 1066793, 1122940, 1219192, 1523990, 1641220, 2133586, 2245880, 3047980, 3282440, 4267172, 5333965, 6095960, 8534344, 10667930, 21335860, 42671720]

約数ペア:

[(1, 42671720), (2, 21335860), (4, 10667930), (5, 8534344), (7, 6095960), (8, 5333965), (10, 4267172), (13, 3282440), (14, 3047980), (19, 2245880), (20, 2133586), (26, 1641220), (28, 1523990), (35, 1219192), (38, 1122940), (40, 1066793), (52, 820610), (56, 761995), (65, 656488), (70, 609596), (76, 561470), (91, 468920), (95, 449176), (104, 410305), (130, 328244), (133, 320840), (140, 304798), (152, 280735), (182, 234460), (190, 224588), (247, 172760), (260, 164122), (266, 160420), (280, 152399), (364, 117230), (380, 112294), (455, 93784), (494, 86380), (520, 82061), (532, 80210), (617, 69160), (665, 64168), (728, 58615), (760, 56147), (910, 46892), (988, 43190), (1064, 40105), (1234, 34580), (1235, 34552), (1330, 32084), (1729, 24680), (1820, 23446), (1976, 21595), (2468, 17290), (2470, 17276), (2660, 16042), (3085, 13832), (3458, 12340), (3640, 11723), (4319, 9880), (4936, 8645), (4940, 8638), (5320, 8021), (6170, 6916)]