316640640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 256

約数和(自身を含む): 1090584000

約数和(自身を除く): 773943360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 89, 96, 102, 109, 120, 128, 136, 160, 170, 178, 192, 204, 218, 240, 255, 267, 272, 320, 327, 340, 356, 384, 408, 436, 445, 480, 510, 534, 544, 545, 640, 654, 680, 712, 816, 872, 890, 960, 1020, 1068, 1088, 1090, 1308, 1335, 1360, 1424, 1513, 1632, 1635, 1744, 1780, 1853, 1920, 2040, 2136, 2176, 2180, 2616, 2670, 2720, 2848, 3026, 3264, 3270, 3488, 3560, 3706, 4080, 4272, 4360, 4539, 5232, 5340, 5440, 5559, 5696, 6052, 6528, 6540, 6976, 7120, 7412, 7565, 8160, 8544, 8720, 9078, 9265, 9701, 10464, 10680, 10880, 11118, 11392, 12104, 13080, 13952, 14240, 14824, 15130, 16320, 17088, 17440, 18156, 18530, 19402, 20928, 21360, 22236, 22695, 24208, 26160, 27795, 28480, 29103, 29648, 30260, 32640, 34176, 34880, 36312, 37060, 38804, 41856, 42720, 44472, 45390, 48416, 48505, 52320, 55590, 56960, 58206, 59296, 60520, 69760, 72624, 74120, 77608, 85440, 88944, 90780, 96832, 97010, 104640, 111180, 116412, 118592, 121040, 145248, 145515, 148240, 155216, 164917, 170880, 177888, 181560, 193664, 194020, 209280, 222360, 232824, 237184, 242080, 290496, 291030, 296480, 310432, 329834, 355776, 363120, 388040, 444720, 465648, 484160, 494751, 580992, 582060, 592960, 620864, 659668, 711552, 726240, 776080, 824585, 889440, 931296, 968320, 989502, 1164120, 1185920, 1241728, 1319336, 1452480, 1552160, 1649170, 1778880, 1862592, 1979004, 2328240, 2473755, 2638672, 2904960, 3104320, 3298340, 3557760, 3725184, 3958008, 4656480, 4947510, 5277344, 6208640, 6596680, 7916016, 9312960, 9895020, 10554688, 13193360, 15832032, 18625920, 19790040, 21109376, 26386720, 31664064, 39580080, 52773440, 63328128, 79160160, 105546880, 158320320, 316640640]

約数ペア:

[(1, 316640640), (2, 158320320), (3, 105546880), (4, 79160160), (5, 63328128), (6, 52773440), (8, 39580080), (10, 31664064), (12, 26386720), (15, 21109376), (16, 19790040), (17, 18625920), (20, 15832032), (24, 13193360), (30, 10554688), (32, 9895020), (34, 9312960), (40, 7916016), (48, 6596680), (51, 6208640), (60, 5277344), (64, 4947510), (68, 4656480), (80, 3958008), (85, 3725184), (89, 3557760), (96, 3298340), (102, 3104320), (109, 2904960), (120, 2638672), (128, 2473755), (136, 2328240), (160, 1979004), (170, 1862592), (178, 1778880), (192, 1649170), (204, 1552160), (218, 1452480), (240, 1319336), (255, 1241728), (267, 1185920), (272, 1164120), (320, 989502), (327, 968320), (340, 931296), (356, 889440), (384, 824585), (408, 776080), (436, 726240), (445, 711552), (480, 659668), (510, 620864), (534, 592960), (544, 582060), (545, 580992), (640, 494751), (654, 484160), (680, 465648), (712, 444720), (816, 388040), (872, 363120), (890, 355776), (960, 329834), (1020, 310432), (1068, 296480), (1088, 291030), (1090, 290496), (1308, 242080), (1335, 237184), (1360, 232824), (1424, 222360), (1513, 209280), (1632, 194020), (1635, 193664), (1744, 181560), (1780, 177888), (1853, 170880), (1920, 164917), (2040, 155216), (2136, 148240), (2176, 145515), (2180, 145248), (2616, 121040), (2670, 118592), (2720, 116412), (2848, 111180), (3026, 104640), (3264, 97010), (3270, 96832), (3488, 90780), (3560, 88944), (3706, 85440), (4080, 77608), (4272, 74120), (4360, 72624), (4539, 69760), (5232, 60520), (5340, 59296), (5440, 58206), (5559, 56960), (5696, 55590), (6052, 52320), (6528, 48505), (6540, 48416), (6976, 45390), (7120, 44472), (7412, 42720), (7565, 41856), (8160, 38804), (8544, 37060), (8720, 36312), (9078, 34880), (9265, 34176), (9701, 32640), (10464, 30260), (10680, 29648), (10880, 29103), (11118, 28480), (11392, 27795), (12104, 26160), (13080, 24208), (13952, 22695), (14240, 22236), (14824, 21360), (15130, 20928), (16320, 19402), (17088, 18530), (17440, 18156)]