161942620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 403885440

約数和(自身を除く): 241942820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 89, 140, 164, 178, 205, 287, 317, 356, 410, 445, 574, 623, 634, 820, 890, 1148, 1246, 1268, 1435, 1585, 1780, 2219, 2492, 2870, 3115, 3170, 3649, 4438, 5740, 6230, 6340, 7298, 8876, 11095, 12460, 12997, 14596, 18245, 22190, 25543, 25994, 28213, 36490, 44380, 51086, 51988, 56426, 64985, 72980, 90979, 102172, 112852, 127715, 129970, 141065, 181958, 197491, 255430, 259940, 282130, 363916, 394982, 454895, 510860, 564260, 789964, 909790, 987455, 1156733, 1819580, 1974910, 2313466, 3949820, 4626932, 5783665, 8097131, 11567330, 16194262, 23134660, 32388524, 40485655, 80971310, 161942620]

約数ペア:

[(1, 161942620), (2, 80971310), (4, 40485655), (5, 32388524), (7, 23134660), (10, 16194262), (14, 11567330), (20, 8097131), (28, 5783665), (35, 4626932), (41, 3949820), (70, 2313466), (82, 1974910), (89, 1819580), (140, 1156733), (164, 987455), (178, 909790), (205, 789964), (287, 564260), (317, 510860), (356, 454895), (410, 394982), (445, 363916), (574, 282130), (623, 259940), (634, 255430), (820, 197491), (890, 181958), (1148, 141065), (1246, 129970), (1268, 127715), (1435, 112852), (1585, 102172), (1780, 90979), (2219, 72980), (2492, 64985), (2870, 56426), (3115, 51988), (3170, 51086), (3649, 44380), (4438, 36490), (5740, 28213), (6230, 25994), (6340, 25543), (7298, 22190), (8876, 18245), (11095, 14596), (12460, 12997)]