87711960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{2131}}^1$

素因数の和:2166

約数の個数: 128

約数和(自身を含む): 307008000

約数和(自身を除く): 219296040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2131, 2744, 2940, 3430, 4116, 4262, 5145, 5880, 6393, 6860, 8232, 8524, 10290, 10655, 12786, 13720, 14917, 17048, 20580, 21310, 25572, 29834, 31965, 41160, 42620, 44751, 51144, 59668, 63930, 74585, 85240, 89502, 104419, 119336, 127860, 149170, 179004, 208838, 223755, 255720, 298340, 313257, 358008, 417676, 447510, 522095, 596680, 626514, 730933, 835352, 895020, 1044190, 1253028, 1461866, 1566285, 1790040, 2088380, 2192799, 2506056, 2923732, 3132570, 3654665, 4176760, 4385598, 5847464, 6265140, 7309330, 8771196, 10963995, 12530280, 14618660, 17542392, 21927990, 29237320, 43855980, 87711960]

約数ペア:

[(1, 87711960), (2, 43855980), (3, 29237320), (4, 21927990), (5, 17542392), (6, 14618660), (7, 12530280), (8, 10963995), (10, 8771196), (12, 7309330), (14, 6265140), (15, 5847464), (20, 4385598), (21, 4176760), (24, 3654665), (28, 3132570), (30, 2923732), (35, 2506056), (40, 2192799), (42, 2088380), (49, 1790040), (56, 1566285), (60, 1461866), (70, 1253028), (84, 1044190), (98, 895020), (105, 835352), (120, 730933), (140, 626514), (147, 596680), (168, 522095), (196, 447510), (210, 417676), (245, 358008), (280, 313257), (294, 298340), (343, 255720), (392, 223755), (420, 208838), (490, 179004), (588, 149170), (686, 127860), (735, 119336), (840, 104419), (980, 89502), (1029, 85240), (1176, 74585), (1372, 63930), (1470, 59668), (1715, 51144), (1960, 44751), (2058, 42620), (2131, 41160), (2744, 31965), (2940, 29834), (3430, 25572), (4116, 21310), (4262, 20580), (5145, 17048), (5880, 14917), (6393, 13720), (6860, 12786), (8232, 10655), (8524, 10290)]