81268890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6199}}^1$

素因数の和:6251

約数の個数: 64

約数和(自身を含む): 214272000

約数和(自身を除く): 133003110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 2185, 2622, 4370, 6199, 6555, 12398, 13110, 18597, 30995, 37194, 61990, 92985, 117781, 142577, 185970, 235562, 285154, 353343, 427731, 588905, 706686, 712885, 855462, 1177810, 1425770, 1766715, 2138655, 2708963, 3533430, 4277310, 5417926, 8126889, 13544815, 16253778, 27089630, 40634445, 81268890]

約数ペア:

[(1, 81268890), (2, 40634445), (3, 27089630), (5, 16253778), (6, 13544815), (10, 8126889), (15, 5417926), (19, 4277310), (23, 3533430), (30, 2708963), (38, 2138655), (46, 1766715), (57, 1425770), (69, 1177810), (95, 855462), (114, 712885), (115, 706686), (138, 588905), (190, 427731), (230, 353343), (285, 285154), (345, 235562), (437, 185970), (570, 142577), (690, 117781), (874, 92985), (1311, 61990), (2185, 37194), (2622, 30995), (4370, 18597), (6199, 13110), (6555, 12398)]