64649880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1982

約数の個数: 128

約数和(自身を含む): 222566400

約数和(自身を除く): 157916520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 1931, 2232, 2790, 3348, 3720, 3862, 4185, 5580, 5793, 6696, 7724, 8370, 9655, 11160, 11586, 15448, 16740, 17379, 19310, 23172, 28965, 33480, 34758, 38620, 46344, 52137, 57930, 59861, 69516, 77240, 86895, 104274, 115860, 119722, 139032, 173790, 179583, 208548, 231720, 239444, 260685, 299305, 347580, 359166, 417096, 478888, 521370, 538749, 598610, 695160, 718332, 897915, 1042740, 1077498, 1197220, 1436664, 1616247, 1795830, 2085480, 2154996, 2394440, 2693745, 3232494, 3591660, 4309992, 5387490, 6464988, 7183320, 8081235, 10774980, 12929976, 16162470, 21549960, 32324940, 64649880]

約数ペア:

[(1, 64649880), (2, 32324940), (3, 21549960), (4, 16162470), (5, 12929976), (6, 10774980), (8, 8081235), (9, 7183320), (10, 6464988), (12, 5387490), (15, 4309992), (18, 3591660), (20, 3232494), (24, 2693745), (27, 2394440), (30, 2154996), (31, 2085480), (36, 1795830), (40, 1616247), (45, 1436664), (54, 1197220), (60, 1077498), (62, 1042740), (72, 897915), (90, 718332), (93, 695160), (108, 598610), (120, 538749), (124, 521370), (135, 478888), (155, 417096), (180, 359166), (186, 347580), (216, 299305), (248, 260685), (270, 239444), (279, 231720), (310, 208548), (360, 179583), (372, 173790), (465, 139032), (540, 119722), (558, 115860), (620, 104274), (744, 86895), (837, 77240), (930, 69516), (1080, 59861), (1116, 57930), (1240, 52137), (1395, 46344), (1674, 38620), (1860, 34758), (1931, 33480), (2232, 28965), (2790, 23172), (3348, 19310), (3720, 17379), (3862, 16740), (4185, 15448), (5580, 11586), (5793, 11160), (6696, 9655), (7724, 8370)]