78860040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 272160000

約数和(自身を除く): 193299960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 269, 280, 349, 420, 538, 698, 807, 840, 1047, 1076, 1345, 1396, 1614, 1745, 1883, 2094, 2152, 2443, 2690, 2792, 3228, 3490, 3766, 4035, 4188, 4886, 5235, 5380, 5649, 6456, 6980, 7329, 7532, 8070, 8376, 9415, 9772, 10470, 10760, 11298, 12215, 13960, 14658, 15064, 16140, 18830, 19544, 20940, 22596, 24430, 28245, 29316, 32280, 36645, 37660, 41880, 45192, 48860, 56490, 58632, 73290, 75320, 93881, 97720, 112980, 146580, 187762, 225960, 281643, 293160, 375524, 469405, 563286, 657167, 751048, 938810, 1126572, 1314334, 1408215, 1877620, 1971501, 2253144, 2628668, 2816430, 3285835, 3755240, 3943002, 5257336, 5632860, 6571670, 7886004, 9857505, 11265720, 13143340, 15772008, 19715010, 26286680, 39430020, 78860040]

約数ペア:

[(1, 78860040), (2, 39430020), (3, 26286680), (4, 19715010), (5, 15772008), (6, 13143340), (7, 11265720), (8, 9857505), (10, 7886004), (12, 6571670), (14, 5632860), (15, 5257336), (20, 3943002), (21, 3755240), (24, 3285835), (28, 2816430), (30, 2628668), (35, 2253144), (40, 1971501), (42, 1877620), (56, 1408215), (60, 1314334), (70, 1126572), (84, 938810), (105, 751048), (120, 657167), (140, 563286), (168, 469405), (210, 375524), (269, 293160), (280, 281643), (349, 225960), (420, 187762), (538, 146580), (698, 112980), (807, 97720), (840, 93881), (1047, 75320), (1076, 73290), (1345, 58632), (1396, 56490), (1614, 48860), (1745, 45192), (1883, 41880), (2094, 37660), (2152, 36645), (2443, 32280), (2690, 29316), (2792, 28245), (3228, 24430), (3490, 22596), (3766, 20940), (4035, 19544), (4188, 18830), (4886, 16140), (5235, 15064), (5380, 14658), (5649, 13960), (6456, 12215), (6980, 11298), (7329, 10760), (7532, 10470), (8070, 9772), (8376, 9415)]