431137980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26321}}^1$

素因数の和:26356

約数の個数: 144

約数和(自身を含む): 1609642944

約数和(自身を除く): 1178504964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 26321, 52642, 78963, 105284, 131605, 157926, 184247, 236889, 263210, 315852, 342173, 368494, 394815, 473778, 526420, 552741, 684346, 736988, 789630, 921235, 947556, 1026519, 1105482, 1184445, 1368692, 1579260, 1658223, 1710865, 1842470, 2053038, 2210964, 2368890, 2395211, 2763705, 3079557, 3316446, 3421730, 3684940, 4106076, 4737780, 4790422, 5132595, 5527410, 6159114, 6632892, 6843460, 7185633, 8291115, 9580844, 10265190, 11054820, 11976055, 12318228, 14371266, 15397785, 16582230, 20530380, 21556899, 23952110, 28742532, 30795570, 33164460, 35928165, 43113798, 47904220, 61591140, 71856330, 86227596, 107784495, 143712660, 215568990, 431137980]

約数ペア:

[(1, 431137980), (2, 215568990), (3, 143712660), (4, 107784495), (5, 86227596), (6, 71856330), (7, 61591140), (9, 47904220), (10, 43113798), (12, 35928165), (13, 33164460), (14, 30795570), (15, 28742532), (18, 23952110), (20, 21556899), (21, 20530380), (26, 16582230), (28, 15397785), (30, 14371266), (35, 12318228), (36, 11976055), (39, 11054820), (42, 10265190), (45, 9580844), (52, 8291115), (60, 7185633), (63, 6843460), (65, 6632892), (70, 6159114), (78, 5527410), (84, 5132595), (90, 4790422), (91, 4737780), (105, 4106076), (117, 3684940), (126, 3421730), (130, 3316446), (140, 3079557), (156, 2763705), (180, 2395211), (182, 2368890), (195, 2210964), (210, 2053038), (234, 1842470), (252, 1710865), (260, 1658223), (273, 1579260), (315, 1368692), (364, 1184445), (390, 1105482), (420, 1026519), (455, 947556), (468, 921235), (546, 789630), (585, 736988), (630, 684346), (780, 552741), (819, 526420), (910, 473778), (1092, 394815), (1170, 368494), (1260, 342173), (1365, 315852), (1638, 263210), (1820, 236889), (2340, 184247), (2730, 157926), (3276, 131605), (4095, 105284), (5460, 78963), (8190, 52642), (16380, 26321)]