251037540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1610

約数の個数: 144

約数和(自身を含む): 832156416

約数和(自身を除く): 581118876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 180, 195, 213, 234, 260, 284, 355, 390, 426, 468, 585, 639, 710, 780, 852, 923, 1065, 1170, 1278, 1420, 1511, 1846, 2130, 2340, 2556, 2769, 3022, 3195, 3692, 4260, 4533, 4615, 5538, 6044, 6390, 7555, 8307, 9066, 9230, 11076, 12780, 13599, 13845, 15110, 16614, 18132, 18460, 19643, 22665, 27198, 27690, 30220, 33228, 39286, 41535, 45330, 54396, 55380, 58929, 67995, 78572, 83070, 90660, 98215, 107281, 117858, 135990, 166140, 176787, 196430, 214562, 235716, 271980, 294645, 321843, 353574, 392860, 429124, 536405, 589290, 643686, 707148, 883935, 965529, 1072810, 1178580, 1287372, 1394653, 1609215, 1767870, 1931058, 2145620, 2789306, 3218430, 3535740, 3862116, 4183959, 4827645, 5578612, 6436860, 6973265, 8367918, 9655290, 12551877, 13946530, 16735836, 19310580, 20919795, 25103754, 27893060, 41839590, 50207508, 62759385, 83679180, 125518770, 251037540]

約数ペア:

[(1, 251037540), (2, 125518770), (3, 83679180), (4, 62759385), (5, 50207508), (6, 41839590), (9, 27893060), (10, 25103754), (12, 20919795), (13, 19310580), (15, 16735836), (18, 13946530), (20, 12551877), (26, 9655290), (30, 8367918), (36, 6973265), (39, 6436860), (45, 5578612), (52, 4827645), (60, 4183959), (65, 3862116), (71, 3535740), (78, 3218430), (90, 2789306), (117, 2145620), (130, 1931058), (142, 1767870), (156, 1609215), (180, 1394653), (195, 1287372), (213, 1178580), (234, 1072810), (260, 965529), (284, 883935), (355, 707148), (390, 643686), (426, 589290), (468, 536405), (585, 429124), (639, 392860), (710, 353574), (780, 321843), (852, 294645), (923, 271980), (1065, 235716), (1170, 214562), (1278, 196430), (1420, 176787), (1511, 166140), (1846, 135990), (2130, 117858), (2340, 107281), (2556, 98215), (2769, 90660), (3022, 83070), (3195, 78572), (3692, 67995), (4260, 58929), (4533, 55380), (4615, 54396), (5538, 45330), (6044, 41535), (6390, 39286), (7555, 33228), (8307, 30220), (9066, 27690), (9230, 27198), (11076, 22665), (12780, 19643), (13599, 18460), (13845, 18132), (15110, 16614)]