681092080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 120

約数和(自身を含む): 1706207760

約数和(自身を除く): 1025115680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 289, 331, 340, 356, 445, 578, 662, 680, 712, 890, 1156, 1324, 1360, 1424, 1445, 1513, 1655, 1780, 2312, 2648, 2890, 3026, 3310, 3560, 4624, 5296, 5627, 5780, 6052, 6620, 7120, 7565, 11254, 11560, 12104, 13240, 15130, 22508, 23120, 24208, 25721, 26480, 28135, 29459, 30260, 45016, 51442, 56270, 58918, 60520, 90032, 95659, 102884, 112540, 117836, 121040, 128605, 147295, 191318, 205768, 225080, 235672, 257210, 294590, 382636, 411536, 450160, 471344, 478295, 500803, 514420, 589180, 765272, 956590, 1001606, 1028840, 1178360, 1530544, 1913180, 2003212, 2057680, 2356720, 2504015, 3826360, 4006424, 5008030, 7652720, 8012848, 8513651, 10016060, 17027302, 20032120, 34054604, 40064240, 42568255, 68109208, 85136510, 136218416, 170273020, 340546040, 681092080]

約数ペア:

[(1, 681092080), (2, 340546040), (4, 170273020), (5, 136218416), (8, 85136510), (10, 68109208), (16, 42568255), (17, 40064240), (20, 34054604), (34, 20032120), (40, 17027302), (68, 10016060), (80, 8513651), (85, 8012848), (89, 7652720), (136, 5008030), (170, 4006424), (178, 3826360), (272, 2504015), (289, 2356720), (331, 2057680), (340, 2003212), (356, 1913180), (445, 1530544), (578, 1178360), (662, 1028840), (680, 1001606), (712, 956590), (890, 765272), (1156, 589180), (1324, 514420), (1360, 500803), (1424, 478295), (1445, 471344), (1513, 450160), (1655, 411536), (1780, 382636), (2312, 294590), (2648, 257210), (2890, 235672), (3026, 225080), (3310, 205768), (3560, 191318), (4624, 147295), (5296, 128605), (5627, 121040), (5780, 117836), (6052, 112540), (6620, 102884), (7120, 95659), (7565, 90032), (11254, 60520), (11560, 58918), (12104, 56270), (13240, 51442), (15130, 45016), (22508, 30260), (23120, 29459), (24208, 28135), (25721, 26480)]