309497520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 998936064

約数和(自身を除く): 689438544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 71, 80, 82, 120, 123, 142, 164, 205, 213, 240, 246, 284, 328, 355, 410, 426, 443, 492, 568, 615, 656, 710, 820, 852, 886, 984, 1065, 1136, 1230, 1329, 1420, 1640, 1704, 1772, 1968, 2130, 2215, 2460, 2658, 2840, 2911, 3280, 3408, 3544, 4260, 4430, 4920, 5316, 5680, 5822, 6645, 7088, 8520, 8733, 8860, 9840, 10632, 11644, 13290, 14555, 17040, 17466, 17720, 18163, 21264, 23288, 26580, 29110, 31453, 34932, 35440, 36326, 43665, 46576, 53160, 54489, 58220, 62906, 69864, 72652, 87330, 90815, 94359, 106320, 108978, 116440, 125812, 139728, 145304, 157265, 174660, 181630, 188718, 217956, 232880, 251624, 272445, 290608, 314530, 349320, 363260, 377436, 435912, 471795, 503248, 544890, 629060, 698640, 726520, 754872, 871824, 943590, 1089780, 1258120, 1289573, 1453040, 1509744, 1887180, 2179560, 2516240, 2579146, 3774360, 3868719, 4359120, 5158292, 6447865, 7548720, 7737438, 10316584, 12895730, 15474876, 19343595, 20633168, 25791460, 30949752, 38687190, 51582920, 61899504, 77374380, 103165840, 154748760, 309497520]

約数ペア:

[(1, 309497520), (2, 154748760), (3, 103165840), (4, 77374380), (5, 61899504), (6, 51582920), (8, 38687190), (10, 30949752), (12, 25791460), (15, 20633168), (16, 19343595), (20, 15474876), (24, 12895730), (30, 10316584), (40, 7737438), (41, 7548720), (48, 6447865), (60, 5158292), (71, 4359120), (80, 3868719), (82, 3774360), (120, 2579146), (123, 2516240), (142, 2179560), (164, 1887180), (205, 1509744), (213, 1453040), (240, 1289573), (246, 1258120), (284, 1089780), (328, 943590), (355, 871824), (410, 754872), (426, 726520), (443, 698640), (492, 629060), (568, 544890), (615, 503248), (656, 471795), (710, 435912), (820, 377436), (852, 363260), (886, 349320), (984, 314530), (1065, 290608), (1136, 272445), (1230, 251624), (1329, 232880), (1420, 217956), (1640, 188718), (1704, 181630), (1772, 174660), (1968, 157265), (2130, 145304), (2215, 139728), (2460, 125812), (2658, 116440), (2840, 108978), (2911, 106320), (3280, 94359), (3408, 90815), (3544, 87330), (4260, 72652), (4430, 69864), (4920, 62906), (5316, 58220), (5680, 54489), (5822, 53160), (6645, 46576), (7088, 43665), (8520, 36326), (8733, 35440), (8860, 34932), (9840, 31453), (10632, 29110), (11644, 26580), (13290, 23288), (14555, 21264), (17040, 18163), (17466, 17720)]