71591940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8117}}^1$

素因数の和:8146

約数の個数: 108

約数和(自身を含む): 252648396

約数和(自身を除く): 181056456

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8117, 8820, 16234, 24351, 32468, 40585, 48702, 56819, 73053, 81170, 97404, 113638, 121755, 146106, 162340, 170457, 227276, 243510, 284095, 292212, 340914, 365265, 397733, 487020, 511371, 568190, 681828, 730530, 795466, 852285, 1022742, 1136380, 1193199, 1461060, 1590932, 1704570, 1988665, 2045484, 2386398, 2556855, 3409140, 3579597, 3977330, 4772796, 5113710, 5965995, 7159194, 7954660, 10227420, 11931990, 14318388, 17897985, 23863980, 35795970, 71591940]

約数ペア:

[(1, 71591940), (2, 35795970), (3, 23863980), (4, 17897985), (5, 14318388), (6, 11931990), (7, 10227420), (9, 7954660), (10, 7159194), (12, 5965995), (14, 5113710), (15, 4772796), (18, 3977330), (20, 3579597), (21, 3409140), (28, 2556855), (30, 2386398), (35, 2045484), (36, 1988665), (42, 1704570), (45, 1590932), (49, 1461060), (60, 1193199), (63, 1136380), (70, 1022742), (84, 852285), (90, 795466), (98, 730530), (105, 681828), (126, 568190), (140, 511371), (147, 487020), (180, 397733), (196, 365265), (210, 340914), (245, 292212), (252, 284095), (294, 243510), (315, 227276), (420, 170457), (441, 162340), (490, 146106), (588, 121755), (630, 113638), (735, 97404), (882, 81170), (980, 73053), (1260, 56819), (1470, 48702), (1764, 40585), (2205, 32468), (2940, 24351), (4410, 16234), (8117, 8820)]