155623020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 144

約数和(自身を含む): 519095808

約数和(自身を除く): 363472788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 980, 1204, 1231, 1290, 1470, 1505, 1806, 2107, 2462, 2580, 2940, 3010, 3612, 3693, 4214, 4515, 4924, 6020, 6155, 6321, 7386, 8428, 8617, 9030, 10535, 12310, 12642, 14772, 17234, 18060, 18465, 21070, 24620, 25284, 25851, 31605, 34468, 36930, 42140, 43085, 51702, 52933, 60319, 63210, 73860, 86170, 103404, 105866, 120638, 126420, 129255, 158799, 172340, 180957, 211732, 241276, 258510, 264665, 301595, 317598, 361914, 370531, 517020, 529330, 603190, 635196, 723828, 741062, 793995, 904785, 1058660, 1111593, 1206380, 1482124, 1587990, 1809570, 1852655, 2223186, 2593717, 3175980, 3619140, 3705310, 4446372, 5187434, 5557965, 7410620, 7781151, 10374868, 11115930, 12968585, 15562302, 22231860, 25937170, 31124604, 38905755, 51874340, 77811510, 155623020]

約数ペア:

[(1, 155623020), (2, 77811510), (3, 51874340), (4, 38905755), (5, 31124604), (6, 25937170), (7, 22231860), (10, 15562302), (12, 12968585), (14, 11115930), (15, 10374868), (20, 7781151), (21, 7410620), (28, 5557965), (30, 5187434), (35, 4446372), (42, 3705310), (43, 3619140), (49, 3175980), (60, 2593717), (70, 2223186), (84, 1852655), (86, 1809570), (98, 1587990), (105, 1482124), (129, 1206380), (140, 1111593), (147, 1058660), (172, 904785), (196, 793995), (210, 741062), (215, 723828), (245, 635196), (258, 603190), (294, 529330), (301, 517020), (420, 370531), (430, 361914), (490, 317598), (516, 301595), (588, 264665), (602, 258510), (645, 241276), (735, 211732), (860, 180957), (903, 172340), (980, 158799), (1204, 129255), (1231, 126420), (1290, 120638), (1470, 105866), (1505, 103404), (1806, 86170), (2107, 73860), (2462, 63210), (2580, 60319), (2940, 52933), (3010, 51702), (3612, 43085), (3693, 42140), (4214, 36930), (4515, 34468), (4924, 31605), (6020, 25851), (6155, 25284), (6321, 24620), (7386, 21070), (8428, 18465), (8617, 18060), (9030, 17234), (10535, 14772), (12310, 12642)]