42379480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 116121600

約数和(自身を除く): 73742120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 239, 248, 260, 286, 310, 341, 403, 440, 478, 520, 572, 620, 682, 715, 806, 956, 1144, 1195, 1240, 1364, 1430, 1612, 1705, 1912, 2015, 2390, 2629, 2728, 2860, 3107, 3224, 3410, 4030, 4433, 4780, 5258, 5720, 6214, 6820, 7409, 8060, 8866, 9560, 10516, 12428, 13145, 13640, 14818, 15535, 16120, 17732, 21032, 22165, 24856, 26290, 29636, 31070, 34177, 35464, 37045, 44330, 52580, 59272, 62140, 68354, 74090, 81499, 88660, 96317, 105160, 124280, 136708, 148180, 162998, 170885, 177320, 192634, 273416, 296360, 325996, 341770, 385268, 407495, 481585, 651992, 683540, 770536, 814990, 963170, 1059487, 1367080, 1629980, 1926340, 2118974, 3259960, 3852680, 4237948, 5297435, 8475896, 10594870, 21189740, 42379480]

約数ペア:

[(1, 42379480), (2, 21189740), (4, 10594870), (5, 8475896), (8, 5297435), (10, 4237948), (11, 3852680), (13, 3259960), (20, 2118974), (22, 1926340), (26, 1629980), (31, 1367080), (40, 1059487), (44, 963170), (52, 814990), (55, 770536), (62, 683540), (65, 651992), (88, 481585), (104, 407495), (110, 385268), (124, 341770), (130, 325996), (143, 296360), (155, 273416), (220, 192634), (239, 177320), (248, 170885), (260, 162998), (286, 148180), (310, 136708), (341, 124280), (403, 105160), (440, 96317), (478, 88660), (520, 81499), (572, 74090), (620, 68354), (682, 62140), (715, 59272), (806, 52580), (956, 44330), (1144, 37045), (1195, 35464), (1240, 34177), (1364, 31070), (1430, 29636), (1612, 26290), (1705, 24856), (1912, 22165), (2015, 21032), (2390, 17732), (2629, 16120), (2728, 15535), (2860, 14818), (3107, 13640), (3224, 13145), (3410, 12428), (4030, 10516), (4433, 9560), (4780, 8866), (5258, 8060), (5720, 7409), (6214, 6820)]