77758720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4707

約数の個数: 72

約数和(自身を含む): 200626776

約数和(自身を除く): 122868056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4673, 8320, 9346, 16640, 18692, 23365, 37384, 46730, 60749, 74768, 93460, 121498, 149536, 186920, 242996, 299072, 303745, 373840, 485992, 598144, 607490, 747680, 971984, 1196288, 1214980, 1495360, 1943968, 2429960, 2990720, 3887936, 4859920, 5981440, 7775872, 9719840, 15551744, 19439680, 38879360, 77758720]

約数ペア:

[(1, 77758720), (2, 38879360), (4, 19439680), (5, 15551744), (8, 9719840), (10, 7775872), (13, 5981440), (16, 4859920), (20, 3887936), (26, 2990720), (32, 2429960), (40, 1943968), (52, 1495360), (64, 1214980), (65, 1196288), (80, 971984), (104, 747680), (128, 607490), (130, 598144), (160, 485992), (208, 373840), (256, 303745), (260, 299072), (320, 242996), (416, 186920), (520, 149536), (640, 121498), (832, 93460), (1040, 74768), (1280, 60749), (1664, 46730), (2080, 37384), (3328, 23365), (4160, 18692), (4673, 16640), (8320, 9346)]