15489460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 39739392

約数和(自身を除く): 24249932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 83, 86, 124, 140, 155, 166, 172, 215, 217, 301, 310, 332, 415, 430, 434, 581, 602, 620, 830, 860, 868, 1085, 1162, 1204, 1333, 1505, 1660, 2170, 2324, 2573, 2666, 2905, 3010, 3569, 4340, 5146, 5332, 5810, 6020, 6665, 7138, 9331, 10292, 11620, 12865, 13330, 14276, 17845, 18011, 18662, 24983, 25730, 26660, 35690, 36022, 37324, 46655, 49966, 51460, 71380, 72044, 90055, 93310, 99932, 110639, 124915, 180110, 186620, 221278, 249830, 360220, 442556, 499660, 553195, 774473, 1106390, 1548946, 2212780, 3097892, 3872365, 7744730, 15489460]

約数ペア:

[(1, 15489460), (2, 7744730), (4, 3872365), (5, 3097892), (7, 2212780), (10, 1548946), (14, 1106390), (20, 774473), (28, 553195), (31, 499660), (35, 442556), (43, 360220), (62, 249830), (70, 221278), (83, 186620), (86, 180110), (124, 124915), (140, 110639), (155, 99932), (166, 93310), (172, 90055), (215, 72044), (217, 71380), (301, 51460), (310, 49966), (332, 46655), (415, 37324), (430, 36022), (434, 35690), (581, 26660), (602, 25730), (620, 24983), (830, 18662), (860, 18011), (868, 17845), (1085, 14276), (1162, 13330), (1204, 12865), (1333, 11620), (1505, 10292), (1660, 9331), (2170, 7138), (2324, 6665), (2573, 6020), (2666, 5810), (2905, 5332), (3010, 5146), (3569, 4340)]