61290580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 146514312

約数和(自身を除く): 85223732

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 653, 722, 988, 1235, 1306, 1444, 1805, 2470, 2612, 3265, 3610, 4693, 4940, 6530, 7220, 8489, 9386, 12407, 13060, 16978, 18772, 23465, 24814, 33956, 42445, 46930, 49628, 62035, 84890, 93860, 124070, 161291, 169780, 235733, 248140, 322582, 471466, 645164, 806455, 942932, 1178665, 1612910, 2357330, 3064529, 3225820, 4714660, 6129058, 12258116, 15322645, 30645290, 61290580]

約数ペア:

[(1, 61290580), (2, 30645290), (4, 15322645), (5, 12258116), (10, 6129058), (13, 4714660), (19, 3225820), (20, 3064529), (26, 2357330), (38, 1612910), (52, 1178665), (65, 942932), (76, 806455), (95, 645164), (130, 471466), (190, 322582), (247, 248140), (260, 235733), (361, 169780), (380, 161291), (494, 124070), (653, 93860), (722, 84890), (988, 62035), (1235, 49628), (1306, 46930), (1444, 42445), (1805, 33956), (2470, 24814), (2612, 23465), (3265, 18772), (3610, 16978), (4693, 13060), (4940, 12407), (6530, 9386), (7220, 8489)]