61901820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 199600128

約数和(自身を除く): 137698308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 271, 282, 324, 405, 423, 470, 486, 540, 542, 564, 705, 810, 813, 846, 940, 972, 1084, 1215, 1269, 1355, 1410, 1620, 1626, 1692, 2115, 2430, 2439, 2538, 2710, 2820, 3252, 3807, 4065, 4230, 4860, 4878, 5076, 5420, 6345, 7317, 7614, 8130, 8460, 9756, 11421, 12195, 12690, 12737, 14634, 15228, 16260, 19035, 21951, 22842, 24390, 25380, 25474, 29268, 36585, 38070, 38211, 43902, 45684, 48780, 50948, 57105, 63685, 65853, 73170, 76140, 76422, 87804, 109755, 114210, 114633, 127370, 131706, 146340, 152844, 191055, 219510, 228420, 229266, 254740, 263412, 329265, 343899, 382110, 439020, 458532, 573165, 658530, 687798, 764220, 1031697, 1146330, 1317060, 1375596, 1719495, 2063394, 2292660, 3095091, 3438990, 4126788, 5158485, 6190182, 6877980, 10316970, 12380364, 15475455, 20633940, 30950910, 61901820]

約数ペア:

[(1, 61901820), (2, 30950910), (3, 20633940), (4, 15475455), (5, 12380364), (6, 10316970), (9, 6877980), (10, 6190182), (12, 5158485), (15, 4126788), (18, 3438990), (20, 3095091), (27, 2292660), (30, 2063394), (36, 1719495), (45, 1375596), (47, 1317060), (54, 1146330), (60, 1031697), (81, 764220), (90, 687798), (94, 658530), (108, 573165), (135, 458532), (141, 439020), (162, 382110), (180, 343899), (188, 329265), (235, 263412), (243, 254740), (270, 229266), (271, 228420), (282, 219510), (324, 191055), (405, 152844), (423, 146340), (470, 131706), (486, 127370), (540, 114633), (542, 114210), (564, 109755), (705, 87804), (810, 76422), (813, 76140), (846, 73170), (940, 65853), (972, 63685), (1084, 57105), (1215, 50948), (1269, 48780), (1355, 45684), (1410, 43902), (1620, 38211), (1626, 38070), (1692, 36585), (2115, 29268), (2430, 25474), (2439, 25380), (2538, 24390), (2710, 22842), (2820, 21951), (3252, 19035), (3807, 16260), (4065, 15228), (4230, 14634), (4860, 12737), (4878, 12690), (5076, 12195), (5420, 11421), (6345, 9756), (7317, 8460), (7614, 8130)]