689951340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6857}}^1$

素因数の和:6928

約数の個数: 144

約数和(自身を含む): 2306592288

約数和(自身を除く): 1616640948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2580, 2795, 3354, 3870, 5031, 5590, 6708, 6857, 7740, 8385, 10062, 11180, 13714, 16770, 20124, 20571, 25155, 27428, 33540, 34285, 41142, 50310, 61713, 68570, 82284, 89141, 100620, 102855, 123426, 137140, 178282, 205710, 246852, 267423, 294851, 308565, 356564, 411420, 445705, 534846, 589702, 617130, 802269, 884553, 891410, 1069692, 1179404, 1234260, 1337115, 1474255, 1604538, 1769106, 1782820, 2653659, 2674230, 2948510, 3209076, 3538212, 3833063, 4011345, 4422765, 5307318, 5348460, 5897020, 7666126, 8022690, 8845530, 10614636, 11499189, 13268295, 15332252, 16045380, 17691060, 19165315, 22998378, 26536590, 34497567, 38330630, 45996756, 53073180, 57495945, 68995134, 76661260, 114991890, 137990268, 172487835, 229983780, 344975670, 689951340]

約数ペア:

[(1, 689951340), (2, 344975670), (3, 229983780), (4, 172487835), (5, 137990268), (6, 114991890), (9, 76661260), (10, 68995134), (12, 57495945), (13, 53073180), (15, 45996756), (18, 38330630), (20, 34497567), (26, 26536590), (30, 22998378), (36, 19165315), (39, 17691060), (43, 16045380), (45, 15332252), (52, 13268295), (60, 11499189), (65, 10614636), (78, 8845530), (86, 8022690), (90, 7666126), (117, 5897020), (129, 5348460), (130, 5307318), (156, 4422765), (172, 4011345), (180, 3833063), (195, 3538212), (215, 3209076), (234, 2948510), (258, 2674230), (260, 2653659), (387, 1782820), (390, 1769106), (430, 1604538), (468, 1474255), (516, 1337115), (559, 1234260), (585, 1179404), (645, 1069692), (774, 891410), (780, 884553), (860, 802269), (1118, 617130), (1170, 589702), (1290, 534846), (1548, 445705), (1677, 411420), (1935, 356564), (2236, 308565), (2340, 294851), (2580, 267423), (2795, 246852), (3354, 205710), (3870, 178282), (5031, 137140), (5590, 123426), (6708, 102855), (6857, 100620), (7740, 89141), (8385, 82284), (10062, 68570), (11180, 61713), (13714, 50310), (16770, 41142), (20124, 34285), (20571, 33540), (25155, 27428)]