631095920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86689}}^1$

素因数の和:86722

約数の個数: 80

約数和(自身を含む): 1805926080

約数和(自身を除く): 1174830160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 86689, 173378, 346756, 433445, 606823, 693512, 866890, 1126957, 1213646, 1387024, 1733780, 2253914, 2427292, 3034115, 3467560, 4507828, 4854584, 5634785, 6068230, 6935120, 7888699, 9015656, 9709168, 11269570, 12136460, 15777398, 18031312, 22539140, 24272920, 31554796, 39443495, 45078280, 48545840, 63109592, 78886990, 90156560, 126219184, 157773980, 315547960, 631095920]

約数ペア:

[(1, 631095920), (2, 315547960), (4, 157773980), (5, 126219184), (7, 90156560), (8, 78886990), (10, 63109592), (13, 48545840), (14, 45078280), (16, 39443495), (20, 31554796), (26, 24272920), (28, 22539140), (35, 18031312), (40, 15777398), (52, 12136460), (56, 11269570), (65, 9709168), (70, 9015656), (80, 7888699), (91, 6935120), (104, 6068230), (112, 5634785), (130, 4854584), (140, 4507828), (182, 3467560), (208, 3034115), (260, 2427292), (280, 2253914), (364, 1733780), (455, 1387024), (520, 1213646), (560, 1126957), (728, 866890), (910, 693512), (1040, 606823), (1456, 433445), (1820, 346756), (3640, 173378), (7280, 86689)]