77971920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 160

約数和(自身を含む): 264899712

約数和(自身を除く): 186927792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 67, 78, 80, 104, 120, 130, 134, 156, 195, 201, 208, 240, 260, 268, 312, 335, 373, 390, 402, 520, 536, 624, 670, 746, 780, 804, 871, 1005, 1040, 1072, 1119, 1340, 1492, 1560, 1608, 1742, 1865, 2010, 2238, 2613, 2680, 2984, 3120, 3216, 3484, 3730, 4020, 4355, 4476, 4849, 5226, 5360, 5595, 5968, 6968, 7460, 8040, 8710, 8952, 9698, 10452, 11190, 13065, 13936, 14547, 14920, 16080, 17420, 17904, 19396, 20904, 22380, 24245, 24991, 26130, 29094, 29840, 34840, 38792, 41808, 44760, 48490, 49982, 52260, 58188, 69680, 72735, 74973, 77584, 89520, 96980, 99964, 104520, 116376, 124955, 145470, 149946, 193960, 199928, 209040, 232752, 249910, 290940, 299892, 324883, 374865, 387920, 399856, 499820, 581880, 599784, 649766, 749730, 974649, 999640, 1163760, 1199568, 1299532, 1499460, 1624415, 1949298, 1999280, 2599064, 2998920, 3248830, 3898596, 4873245, 5198128, 5997840, 6497660, 7797192, 9746490, 12995320, 15594384, 19492980, 25990640, 38985960, 77971920]

約数ペア:

[(1, 77971920), (2, 38985960), (3, 25990640), (4, 19492980), (5, 15594384), (6, 12995320), (8, 9746490), (10, 7797192), (12, 6497660), (13, 5997840), (15, 5198128), (16, 4873245), (20, 3898596), (24, 3248830), (26, 2998920), (30, 2599064), (39, 1999280), (40, 1949298), (48, 1624415), (52, 1499460), (60, 1299532), (65, 1199568), (67, 1163760), (78, 999640), (80, 974649), (104, 749730), (120, 649766), (130, 599784), (134, 581880), (156, 499820), (195, 399856), (201, 387920), (208, 374865), (240, 324883), (260, 299892), (268, 290940), (312, 249910), (335, 232752), (373, 209040), (390, 199928), (402, 193960), (520, 149946), (536, 145470), (624, 124955), (670, 116376), (746, 104520), (780, 99964), (804, 96980), (871, 89520), (1005, 77584), (1040, 74973), (1072, 72735), (1119, 69680), (1340, 58188), (1492, 52260), (1560, 49982), (1608, 48490), (1742, 44760), (1865, 41808), (2010, 38792), (2238, 34840), (2613, 29840), (2680, 29094), (2984, 26130), (3120, 24991), (3216, 24245), (3484, 22380), (3730, 20904), (4020, 19396), (4355, 17904), (4476, 17420), (4849, 16080), (5226, 14920), (5360, 14547), (5595, 13936), (5968, 13065), (6968, 11190), (7460, 10452), (8040, 9698), (8710, 8952)]