181970320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 120

約数和(自身を含む): 500880888

約数和(自身を除く): 318910568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 761, 784, 854, 976, 980, 1220, 1522, 1708, 1960, 2135, 2440, 2989, 3044, 3416, 3805, 3920, 4270, 4880, 5327, 5978, 6088, 6832, 7610, 8540, 10654, 11956, 12176, 14945, 15220, 17080, 21308, 23912, 26635, 29890, 30440, 34160, 37289, 42616, 46421, 47824, 53270, 59780, 60880, 74578, 85232, 92842, 106540, 119560, 149156, 185684, 186445, 213080, 232105, 239120, 298312, 324947, 371368, 372890, 426160, 464210, 596624, 649894, 742736, 745780, 928420, 1299788, 1491560, 1624735, 1856840, 2274629, 2599576, 2983120, 3249470, 3713680, 4549258, 5199152, 6498940, 9098516, 11373145, 12997880, 18197032, 22746290, 25995760, 36394064, 45492580, 90985160, 181970320]

約数ペア:

[(1, 181970320), (2, 90985160), (4, 45492580), (5, 36394064), (7, 25995760), (8, 22746290), (10, 18197032), (14, 12997880), (16, 11373145), (20, 9098516), (28, 6498940), (35, 5199152), (40, 4549258), (49, 3713680), (56, 3249470), (61, 2983120), (70, 2599576), (80, 2274629), (98, 1856840), (112, 1624735), (122, 1491560), (140, 1299788), (196, 928420), (244, 745780), (245, 742736), (280, 649894), (305, 596624), (392, 464210), (427, 426160), (488, 372890), (490, 371368), (560, 324947), (610, 298312), (761, 239120), (784, 232105), (854, 213080), (976, 186445), (980, 185684), (1220, 149156), (1522, 119560), (1708, 106540), (1960, 92842), (2135, 85232), (2440, 74578), (2989, 60880), (3044, 59780), (3416, 53270), (3805, 47824), (3920, 46421), (4270, 42616), (4880, 37289), (5327, 34160), (5978, 30440), (6088, 29890), (6832, 26635), (7610, 23912), (8540, 21308), (10654, 17080), (11956, 15220), (12176, 14945)]