258560520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 808704000

約数和(自身を除く): 550143480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 191, 232, 290, 348, 382, 389, 435, 573, 580, 696, 764, 778, 870, 955, 1146, 1160, 1167, 1528, 1556, 1740, 1910, 1945, 2292, 2334, 2865, 3112, 3480, 3820, 3890, 4584, 4668, 5539, 5730, 5835, 7640, 7780, 9336, 11078, 11281, 11460, 11670, 15560, 16617, 22156, 22562, 22920, 23340, 27695, 33234, 33843, 44312, 45124, 46680, 55390, 56405, 66468, 67686, 74299, 83085, 90248, 110780, 112810, 132936, 135372, 148598, 166170, 169215, 221560, 222897, 225620, 270744, 297196, 332340, 338430, 371495, 445794, 451240, 594392, 664680, 676860, 742990, 891588, 1114485, 1353720, 1485980, 1783176, 2154671, 2228970, 2971960, 4309342, 4457940, 6464013, 8618684, 8915880, 10773355, 12928026, 17237368, 21546710, 25856052, 32320065, 43093420, 51712104, 64640130, 86186840, 129280260, 258560520]

約数ペア:

[(1, 258560520), (2, 129280260), (3, 86186840), (4, 64640130), (5, 51712104), (6, 43093420), (8, 32320065), (10, 25856052), (12, 21546710), (15, 17237368), (20, 12928026), (24, 10773355), (29, 8915880), (30, 8618684), (40, 6464013), (58, 4457940), (60, 4309342), (87, 2971960), (116, 2228970), (120, 2154671), (145, 1783176), (174, 1485980), (191, 1353720), (232, 1114485), (290, 891588), (348, 742990), (382, 676860), (389, 664680), (435, 594392), (573, 451240), (580, 445794), (696, 371495), (764, 338430), (778, 332340), (870, 297196), (955, 270744), (1146, 225620), (1160, 222897), (1167, 221560), (1528, 169215), (1556, 166170), (1740, 148598), (1910, 135372), (1945, 132936), (2292, 112810), (2334, 110780), (2865, 90248), (3112, 83085), (3480, 74299), (3820, 67686), (3890, 66468), (4584, 56405), (4668, 55390), (5539, 46680), (5730, 45124), (5835, 44312), (7640, 33843), (7780, 33234), (9336, 27695), (11078, 23340), (11281, 22920), (11460, 22562), (11670, 22156), (15560, 16617)]