306478720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1657}}^1$

素因数の和:1710

約数の個数: 96

約数和(自身を含む): 778779180

約数和(自身を除く): 472300460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 544, 578, 640, 680, 1088, 1156, 1360, 1445, 1657, 2176, 2312, 2720, 2890, 3314, 4624, 5440, 5780, 6628, 8285, 9248, 10880, 11560, 13256, 16570, 18496, 23120, 26512, 28169, 33140, 36992, 46240, 53024, 56338, 66280, 92480, 106048, 112676, 132560, 140845, 184960, 212096, 225352, 265120, 281690, 450704, 478873, 530240, 563380, 901408, 957746, 1060480, 1126760, 1802816, 1915492, 2253520, 2394365, 3605632, 3830984, 4507040, 4788730, 7661968, 9014080, 9577460, 15323936, 18028160, 19154920, 30647872, 38309840, 61295744, 76619680, 153239360, 306478720]

約数ペア:

[(1, 306478720), (2, 153239360), (4, 76619680), (5, 61295744), (8, 38309840), (10, 30647872), (16, 19154920), (17, 18028160), (20, 15323936), (32, 9577460), (34, 9014080), (40, 7661968), (64, 4788730), (68, 4507040), (80, 3830984), (85, 3605632), (128, 2394365), (136, 2253520), (160, 1915492), (170, 1802816), (272, 1126760), (289, 1060480), (320, 957746), (340, 901408), (544, 563380), (578, 530240), (640, 478873), (680, 450704), (1088, 281690), (1156, 265120), (1360, 225352), (1445, 212096), (1657, 184960), (2176, 140845), (2312, 132560), (2720, 112676), (2890, 106048), (3314, 92480), (4624, 66280), (5440, 56338), (5780, 53024), (6628, 46240), (8285, 36992), (9248, 33140), (10880, 28169), (11560, 26512), (13256, 23120), (16570, 18496)]