64953980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 170190720

約数和(自身を除く): 105236740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 178, 182, 260, 356, 364, 401, 445, 455, 623, 802, 890, 910, 1157, 1246, 1604, 1780, 1820, 2005, 2314, 2492, 2807, 3115, 4010, 4628, 5213, 5614, 5785, 6230, 8020, 8099, 10426, 11228, 11570, 12460, 14035, 16198, 20852, 23140, 26065, 28070, 32396, 35689, 36491, 40495, 52130, 56140, 71378, 72982, 80990, 104260, 142756, 145964, 161980, 178445, 182455, 249823, 356890, 364910, 463957, 499646, 713780, 729820, 927914, 999292, 1249115, 1855828, 2319785, 2498230, 3247699, 4639570, 4996460, 6495398, 9279140, 12990796, 16238495, 32476990, 64953980]

約数ペア:

[(1, 64953980), (2, 32476990), (4, 16238495), (5, 12990796), (7, 9279140), (10, 6495398), (13, 4996460), (14, 4639570), (20, 3247699), (26, 2498230), (28, 2319785), (35, 1855828), (52, 1249115), (65, 999292), (70, 927914), (89, 729820), (91, 713780), (130, 499646), (140, 463957), (178, 364910), (182, 356890), (260, 249823), (356, 182455), (364, 178445), (401, 161980), (445, 145964), (455, 142756), (623, 104260), (802, 80990), (890, 72982), (910, 71378), (1157, 56140), (1246, 52130), (1604, 40495), (1780, 36491), (1820, 35689), (2005, 32396), (2314, 28070), (2492, 26065), (2807, 23140), (3115, 20852), (4010, 16198), (4628, 14035), (5213, 12460), (5614, 11570), (5785, 11228), (6230, 10426), (8020, 8099)]