129968360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 325987200

約数和(自身を除く): 196018840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 43, 76, 82, 86, 95, 97, 152, 164, 172, 190, 194, 205, 215, 328, 344, 380, 388, 410, 430, 485, 760, 776, 779, 817, 820, 860, 970, 1558, 1634, 1640, 1720, 1763, 1843, 1940, 3116, 3268, 3526, 3686, 3880, 3895, 3977, 4085, 4171, 6232, 6536, 7052, 7372, 7790, 7954, 8170, 8342, 8815, 9215, 14104, 14744, 15580, 15908, 16340, 16684, 17630, 18430, 19885, 20855, 31160, 31816, 32680, 33368, 33497, 35260, 36860, 39770, 41710, 66994, 70520, 73720, 75563, 79249, 79540, 83420, 133988, 151126, 158498, 159080, 166840, 167485, 171011, 267976, 302252, 316996, 334970, 342022, 377815, 396245, 604504, 633992, 669940, 684044, 755630, 792490, 855055, 1339880, 1368088, 1511260, 1584980, 1710110, 3022520, 3169960, 3249209, 3420220, 6498418, 6840440, 12996836, 16246045, 25993672, 32492090, 64984180, 129968360]

約数ペア:

[(1, 129968360), (2, 64984180), (4, 32492090), (5, 25993672), (8, 16246045), (10, 12996836), (19, 6840440), (20, 6498418), (38, 3420220), (40, 3249209), (41, 3169960), (43, 3022520), (76, 1710110), (82, 1584980), (86, 1511260), (95, 1368088), (97, 1339880), (152, 855055), (164, 792490), (172, 755630), (190, 684044), (194, 669940), (205, 633992), (215, 604504), (328, 396245), (344, 377815), (380, 342022), (388, 334970), (410, 316996), (430, 302252), (485, 267976), (760, 171011), (776, 167485), (779, 166840), (817, 159080), (820, 158498), (860, 151126), (970, 133988), (1558, 83420), (1634, 79540), (1640, 79249), (1720, 75563), (1763, 73720), (1843, 70520), (1940, 66994), (3116, 41710), (3268, 39770), (3526, 36860), (3686, 35260), (3880, 33497), (3895, 33368), (3977, 32680), (4085, 31816), (4171, 31160), (6232, 20855), (6536, 19885), (7052, 18430), (7372, 17630), (7790, 16684), (7954, 16340), (8170, 15908), (8342, 15580), (8815, 14744), (9215, 14104)]