720910320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1009}}^1$

素因数の和:1267

約数の個数: 160

約数和(自身を含む): 2419636800

約数和(自身を除く): 1698726480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 229, 240, 260, 312, 390, 458, 520, 624, 687, 780, 916, 1009, 1040, 1145, 1374, 1560, 1832, 2018, 2290, 2748, 2977, 3027, 3120, 3435, 3664, 4036, 4580, 5045, 5496, 5954, 6054, 6870, 8072, 8931, 9160, 10090, 10992, 11908, 12108, 13117, 13740, 14885, 15135, 16144, 17862, 18320, 20180, 23816, 24216, 26234, 27480, 29770, 30270, 35724, 39351, 40360, 44655, 47632, 48432, 52468, 54960, 59540, 60540, 65585, 71448, 78702, 80720, 89310, 104936, 119080, 121080, 131170, 142896, 157404, 178620, 196755, 209872, 231061, 238160, 242160, 262340, 314808, 357240, 393510, 462122, 524680, 629616, 693183, 714480, 787020, 924244, 1049360, 1155305, 1386366, 1574040, 1848488, 2310610, 2772732, 3003793, 3148080, 3465915, 3696976, 4621220, 5545464, 6007586, 6931830, 9011379, 9242440, 11090928, 12015172, 13863660, 15018965, 18022758, 18484880, 24030344, 27727320, 30037930, 36045516, 45056895, 48060688, 55454640, 60075860, 72091032, 90113790, 120151720, 144182064, 180227580, 240303440, 360455160, 720910320]

約数ペア:

[(1, 720910320), (2, 360455160), (3, 240303440), (4, 180227580), (5, 144182064), (6, 120151720), (8, 90113790), (10, 72091032), (12, 60075860), (13, 55454640), (15, 48060688), (16, 45056895), (20, 36045516), (24, 30037930), (26, 27727320), (30, 24030344), (39, 18484880), (40, 18022758), (48, 15018965), (52, 13863660), (60, 12015172), (65, 11090928), (78, 9242440), (80, 9011379), (104, 6931830), (120, 6007586), (130, 5545464), (156, 4621220), (195, 3696976), (208, 3465915), (229, 3148080), (240, 3003793), (260, 2772732), (312, 2310610), (390, 1848488), (458, 1574040), (520, 1386366), (624, 1155305), (687, 1049360), (780, 924244), (916, 787020), (1009, 714480), (1040, 693183), (1145, 629616), (1374, 524680), (1560, 462122), (1832, 393510), (2018, 357240), (2290, 314808), (2748, 262340), (2977, 242160), (3027, 238160), (3120, 231061), (3435, 209872), (3664, 196755), (4036, 178620), (4580, 157404), (5045, 142896), (5496, 131170), (5954, 121080), (6054, 119080), (6870, 104936), (8072, 89310), (8931, 80720), (9160, 78702), (10090, 71448), (10992, 65585), (11908, 60540), (12108, 59540), (13117, 54960), (13740, 52468), (14885, 48432), (15135, 47632), (16144, 44655), (17862, 40360), (18320, 39351), (20180, 35724), (23816, 30270), (24216, 29770), (26234, 27480)]