131628640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 144

約数和(自身を含む): 368810064

約数和(自身を除く): 237181424

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 523, 572, 605, 715, 880, 968, 1040, 1046, 1144, 1210, 1430, 1573, 1760, 1936, 2080, 2092, 2288, 2420, 2615, 2860, 3146, 3872, 4184, 4576, 4840, 5230, 5720, 5753, 6292, 6799, 7865, 8368, 9680, 10460, 11440, 11506, 12584, 13598, 15730, 16736, 19360, 20920, 22880, 23012, 25168, 27196, 28765, 31460, 33995, 41840, 46024, 50336, 54392, 57530, 62920, 63283, 67990, 74789, 83680, 92048, 108784, 115060, 125840, 126566, 135980, 149578, 184096, 217568, 230120, 251680, 253132, 271960, 299156, 316415, 373945, 460240, 506264, 543920, 598312, 632830, 747890, 822679, 920480, 1012528, 1087840, 1196624, 1265660, 1495780, 1645358, 2025056, 2393248, 2531320, 2991560, 3290716, 4113395, 5062640, 5983120, 6581432, 8226790, 10125280, 11966240, 13162864, 16453580, 26325728, 32907160, 65814320, 131628640]

約数ペア:

[(1, 131628640), (2, 65814320), (4, 32907160), (5, 26325728), (8, 16453580), (10, 13162864), (11, 11966240), (13, 10125280), (16, 8226790), (20, 6581432), (22, 5983120), (26, 5062640), (32, 4113395), (40, 3290716), (44, 2991560), (52, 2531320), (55, 2393248), (65, 2025056), (80, 1645358), (88, 1495780), (104, 1265660), (110, 1196624), (121, 1087840), (130, 1012528), (143, 920480), (160, 822679), (176, 747890), (208, 632830), (220, 598312), (242, 543920), (260, 506264), (286, 460240), (352, 373945), (416, 316415), (440, 299156), (484, 271960), (520, 253132), (523, 251680), (572, 230120), (605, 217568), (715, 184096), (880, 149578), (968, 135980), (1040, 126566), (1046, 125840), (1144, 115060), (1210, 108784), (1430, 92048), (1573, 83680), (1760, 74789), (1936, 67990), (2080, 63283), (2092, 62920), (2288, 57530), (2420, 54392), (2615, 50336), (2860, 46024), (3146, 41840), (3872, 33995), (4184, 31460), (4576, 28765), (4840, 27196), (5230, 25168), (5720, 23012), (5753, 22880), (6292, 20920), (6799, 19360), (7865, 16736), (8368, 15730), (9680, 13598), (10460, 12584), (11440, 11506)]