245068020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1270

約数の個数: 144

約数和(自身を含む): 788755968

約数和(自身を除く): 543687948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 370, 372, 444, 465, 555, 558, 620, 666, 740, 930, 1110, 1116, 1147, 1187, 1332, 1395, 1665, 1860, 2220, 2294, 2374, 2790, 3330, 3441, 3561, 4588, 4748, 5580, 5735, 5935, 6660, 6882, 7122, 10323, 10683, 11470, 11870, 13764, 14244, 17205, 17805, 20646, 21366, 22940, 23740, 34410, 35610, 36797, 41292, 42732, 43919, 51615, 53415, 68820, 71220, 73594, 87838, 103230, 106830, 110391, 131757, 147188, 175676, 183985, 206460, 213660, 219595, 220782, 263514, 331173, 367970, 395271, 439190, 441564, 527028, 551955, 658785, 662346, 735940, 790542, 878380, 1103910, 1317570, 1324692, 1361489, 1581084, 1655865, 1976355, 2207820, 2635140, 2722978, 3311730, 3952710, 4084467, 5445956, 6623460, 6807445, 7905420, 8168934, 12253401, 13614890, 16337868, 20422335, 24506802, 27229780, 40844670, 49013604, 61267005, 81689340, 122534010, 245068020]

約数ペア:

[(1, 245068020), (2, 122534010), (3, 81689340), (4, 61267005), (5, 49013604), (6, 40844670), (9, 27229780), (10, 24506802), (12, 20422335), (15, 16337868), (18, 13614890), (20, 12253401), (30, 8168934), (31, 7905420), (36, 6807445), (37, 6623460), (45, 5445956), (60, 4084467), (62, 3952710), (74, 3311730), (90, 2722978), (93, 2635140), (111, 2207820), (124, 1976355), (148, 1655865), (155, 1581084), (180, 1361489), (185, 1324692), (186, 1317570), (222, 1103910), (279, 878380), (310, 790542), (333, 735940), (370, 662346), (372, 658785), (444, 551955), (465, 527028), (555, 441564), (558, 439190), (620, 395271), (666, 367970), (740, 331173), (930, 263514), (1110, 220782), (1116, 219595), (1147, 213660), (1187, 206460), (1332, 183985), (1395, 175676), (1665, 147188), (1860, 131757), (2220, 110391), (2294, 106830), (2374, 103230), (2790, 87838), (3330, 73594), (3441, 71220), (3561, 68820), (4588, 53415), (4748, 51615), (5580, 43919), (5735, 42732), (5935, 41292), (6660, 36797), (6882, 35610), (7122, 34410), (10323, 23740), (10683, 22940), (11470, 21366), (11870, 20646), (13764, 17805), (14244, 17205)]