78902070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 204906240

約数和(自身を除く): 126004170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 307, 390, 614, 659, 921, 1318, 1535, 1842, 1977, 3070, 3295, 3954, 3991, 4605, 6590, 7982, 8567, 9210, 9885, 11973, 17134, 19770, 19955, 23946, 25701, 39910, 42835, 51402, 59865, 85670, 119730, 128505, 202313, 257010, 404626, 606939, 1011565, 1213878, 2023130, 2630069, 3034695, 5260138, 6069390, 7890207, 13150345, 15780414, 26300690, 39451035, 78902070]

約数ペア:

[(1, 78902070), (2, 39451035), (3, 26300690), (5, 15780414), (6, 13150345), (10, 7890207), (13, 6069390), (15, 5260138), (26, 3034695), (30, 2630069), (39, 2023130), (65, 1213878), (78, 1011565), (130, 606939), (195, 404626), (307, 257010), (390, 202313), (614, 128505), (659, 119730), (921, 85670), (1318, 59865), (1535, 51402), (1842, 42835), (1977, 39910), (3070, 25701), (3295, 23946), (3954, 19955), (3991, 19770), (4605, 17134), (6590, 11973), (7982, 9885), (8567, 9210)]