346505640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 1124323200

約数和(自身を除く): 777817560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 389, 390, 520, 571, 778, 780, 1142, 1167, 1556, 1560, 1713, 1945, 2284, 2334, 2855, 3112, 3426, 3890, 4568, 4668, 5057, 5710, 5835, 6852, 7423, 7780, 8565, 9336, 10114, 11420, 11670, 13704, 14846, 15171, 15560, 17130, 20228, 22269, 22840, 23340, 25285, 29692, 30342, 34260, 37115, 40456, 44538, 46680, 50570, 59384, 60684, 68520, 74230, 75855, 89076, 101140, 111345, 121368, 148460, 151710, 178152, 202280, 222119, 222690, 296920, 303420, 444238, 445380, 606840, 666357, 888476, 890760, 1110595, 1332714, 1776952, 2221190, 2665428, 2887547, 3331785, 4442380, 5330856, 5775094, 6663570, 8662641, 8884760, 11550188, 13327140, 14437735, 17325282, 23100376, 26654280, 28875470, 34650564, 43313205, 57750940, 69301128, 86626410, 115501880, 173252820, 346505640]

約数ペア:

[(1, 346505640), (2, 173252820), (3, 115501880), (4, 86626410), (5, 69301128), (6, 57750940), (8, 43313205), (10, 34650564), (12, 28875470), (13, 26654280), (15, 23100376), (20, 17325282), (24, 14437735), (26, 13327140), (30, 11550188), (39, 8884760), (40, 8662641), (52, 6663570), (60, 5775094), (65, 5330856), (78, 4442380), (104, 3331785), (120, 2887547), (130, 2665428), (156, 2221190), (195, 1776952), (260, 1332714), (312, 1110595), (389, 890760), (390, 888476), (520, 666357), (571, 606840), (778, 445380), (780, 444238), (1142, 303420), (1167, 296920), (1556, 222690), (1560, 222119), (1713, 202280), (1945, 178152), (2284, 151710), (2334, 148460), (2855, 121368), (3112, 111345), (3426, 101140), (3890, 89076), (4568, 75855), (4668, 74230), (5057, 68520), (5710, 60684), (5835, 59384), (6852, 50570), (7423, 46680), (7780, 44538), (8565, 40456), (9336, 37115), (10114, 34260), (11420, 30342), (11670, 29692), (13704, 25285), (14846, 23340), (15171, 22840), (15560, 22269), (17130, 20228)]