15678086920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{26371}}^1$

素因数の和:26638

約数の個数: 64

約数和(自身を含む): 35887017600

約数和(自身を除く): 20208930680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 167, 178, 334, 356, 445, 668, 712, 835, 890, 1336, 1670, 1780, 3340, 3560, 6680, 14863, 26371, 29726, 52742, 59452, 74315, 105484, 118904, 131855, 148630, 210968, 263710, 297260, 527420, 594520, 1054840, 2347019, 4403957, 4694038, 8807914, 9388076, 11735095, 17615828, 18776152, 22019785, 23470190, 35231656, 44039570, 46940380, 88079140, 93880760, 176158280, 391952173, 783904346, 1567808692, 1959760865, 3135617384, 3919521730, 7839043460, 15678086920]

約数ペア:

[(1, 15678086920), (2, 7839043460), (4, 3919521730), (5, 3135617384), (8, 1959760865), (10, 1567808692), (20, 783904346), (40, 391952173), (89, 176158280), (167, 93880760), (178, 88079140), (334, 46940380), (356, 44039570), (445, 35231656), (668, 23470190), (712, 22019785), (835, 18776152), (890, 17615828), (1336, 11735095), (1670, 9388076), (1780, 8807914), (3340, 4694038), (3560, 4403957), (6680, 2347019), (14863, 1054840), (26371, 594520), (29726, 527420), (52742, 297260), (59452, 263710), (74315, 210968), (105484, 148630), (118904, 131855)]