155289780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 495331200

約数和(自身を除く): 340041420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 71, 87, 90, 116, 142, 145, 174, 180, 213, 261, 284, 290, 348, 355, 419, 426, 435, 522, 580, 639, 710, 838, 852, 870, 1044, 1065, 1257, 1278, 1305, 1420, 1676, 1740, 2059, 2095, 2130, 2514, 2556, 2610, 3195, 3771, 4118, 4190, 4260, 5028, 5220, 6177, 6285, 6390, 7542, 8236, 8380, 10295, 12151, 12354, 12570, 12780, 15084, 18531, 18855, 20590, 24302, 24708, 25140, 29749, 30885, 36453, 37062, 37710, 41180, 48604, 59498, 60755, 61770, 72906, 74124, 75420, 89247, 92655, 109359, 118996, 121510, 123540, 145812, 148745, 178494, 182265, 185310, 218718, 243020, 267741, 297490, 356988, 364530, 370620, 437436, 446235, 535482, 546795, 594980, 729060, 862721, 892470, 1070964, 1093590, 1338705, 1725442, 1784940, 2187180, 2588163, 2677410, 3450884, 4313605, 5176326, 5354820, 7764489, 8627210, 10352652, 12940815, 15528978, 17254420, 25881630, 31057956, 38822445, 51763260, 77644890, 155289780]

約数ペア:

[(1, 155289780), (2, 77644890), (3, 51763260), (4, 38822445), (5, 31057956), (6, 25881630), (9, 17254420), (10, 15528978), (12, 12940815), (15, 10352652), (18, 8627210), (20, 7764489), (29, 5354820), (30, 5176326), (36, 4313605), (45, 3450884), (58, 2677410), (60, 2588163), (71, 2187180), (87, 1784940), (90, 1725442), (116, 1338705), (142, 1093590), (145, 1070964), (174, 892470), (180, 862721), (213, 729060), (261, 594980), (284, 546795), (290, 535482), (348, 446235), (355, 437436), (419, 370620), (426, 364530), (435, 356988), (522, 297490), (580, 267741), (639, 243020), (710, 218718), (838, 185310), (852, 182265), (870, 178494), (1044, 148745), (1065, 145812), (1257, 123540), (1278, 121510), (1305, 118996), (1420, 109359), (1676, 92655), (1740, 89247), (2059, 75420), (2095, 74124), (2130, 72906), (2514, 61770), (2556, 60755), (2610, 59498), (3195, 48604), (3771, 41180), (4118, 37710), (4190, 37062), (4260, 36453), (5028, 30885), (5220, 29749), (6177, 25140), (6285, 24708), (6390, 24302), (7542, 20590), (8236, 18855), (8380, 18531), (10295, 15084), (12151, 12780), (12354, 12570)]