180072180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 580547520

約数和(自身を除く): 400475340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 347, 372, 465, 540, 558, 620, 694, 837, 930, 961, 1041, 1116, 1388, 1395, 1674, 1735, 1860, 1922, 2082, 2790, 2883, 3123, 3348, 3470, 3844, 4164, 4185, 4805, 5205, 5580, 5766, 6246, 6940, 8370, 8649, 9369, 9610, 10410, 10757, 11532, 12492, 14415, 15615, 16740, 17298, 18738, 19220, 20820, 21514, 25947, 28830, 31230, 32271, 34596, 37476, 43028, 43245, 46845, 51894, 53785, 57660, 62460, 64542, 86490, 93690, 96813, 103788, 107570, 129084, 129735, 161355, 172980, 187380, 193626, 215140, 259470, 290439, 322710, 333467, 387252, 484065, 518940, 580878, 645420, 666934, 968130, 1000401, 1161756, 1333868, 1452195, 1667335, 1936260, 2000802, 2904390, 3001203, 3334670, 4001604, 5002005, 5808780, 6002406, 6669340, 9003609, 10004010, 12004812, 15006015, 18007218, 20008020, 30012030, 36014436, 45018045, 60024060, 90036090, 180072180]

約数ペア:

[(1, 180072180), (2, 90036090), (3, 60024060), (4, 45018045), (5, 36014436), (6, 30012030), (9, 20008020), (10, 18007218), (12, 15006015), (15, 12004812), (18, 10004010), (20, 9003609), (27, 6669340), (30, 6002406), (31, 5808780), (36, 5002005), (45, 4001604), (54, 3334670), (60, 3001203), (62, 2904390), (90, 2000802), (93, 1936260), (108, 1667335), (124, 1452195), (135, 1333868), (155, 1161756), (180, 1000401), (186, 968130), (270, 666934), (279, 645420), (310, 580878), (347, 518940), (372, 484065), (465, 387252), (540, 333467), (558, 322710), (620, 290439), (694, 259470), (837, 215140), (930, 193626), (961, 187380), (1041, 172980), (1116, 161355), (1388, 129735), (1395, 129084), (1674, 107570), (1735, 103788), (1860, 96813), (1922, 93690), (2082, 86490), (2790, 64542), (2883, 62460), (3123, 57660), (3348, 53785), (3470, 51894), (3844, 46845), (4164, 43245), (4185, 43028), (4805, 37476), (5205, 34596), (5580, 32271), (5766, 31230), (6246, 28830), (6940, 25947), (8370, 21514), (8649, 20820), (9369, 19220), (9610, 18738), (10410, 17298), (10757, 16740), (11532, 15615), (12492, 14415)]