81293160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 277885440

約数和(自身を除く): 196592280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 41, 52, 60, 62, 65, 78, 82, 93, 104, 120, 123, 124, 130, 155, 156, 164, 186, 195, 205, 246, 248, 260, 310, 312, 328, 372, 390, 403, 410, 465, 492, 520, 533, 615, 620, 744, 780, 806, 820, 930, 984, 1066, 1209, 1230, 1240, 1271, 1560, 1599, 1612, 1640, 1681, 1860, 2015, 2132, 2418, 2460, 2542, 2665, 3198, 3224, 3362, 3720, 3813, 4030, 4264, 4836, 4920, 5043, 5084, 5330, 6045, 6355, 6396, 6724, 7626, 7995, 8060, 8405, 9672, 10086, 10168, 10660, 12090, 12710, 12792, 13448, 15252, 15990, 16120, 16523, 16810, 19065, 20172, 21320, 21853, 24180, 25215, 25420, 30504, 31980, 33046, 33620, 38130, 40344, 43706, 48360, 49569, 50430, 50840, 52111, 63960, 65559, 66092, 67240, 76260, 82615, 87412, 99138, 100860, 104222, 109265, 131118, 132184, 152520, 156333, 165230, 174824, 198276, 201720, 208444, 218530, 247845, 260555, 262236, 312666, 327795, 330460, 396552, 416888, 437060, 495690, 521110, 524472, 625332, 655590, 660920, 677443, 781665, 874120, 991380, 1042220, 1250664, 1311180, 1354886, 1563330, 1982760, 2032329, 2084440, 2622360, 2709772, 3126660, 3387215, 4064658, 5419544, 6253320, 6774430, 8129316, 10161645, 13548860, 16258632, 20323290, 27097720, 40646580, 81293160]

約数ペア:

[(1, 81293160), (2, 40646580), (3, 27097720), (4, 20323290), (5, 16258632), (6, 13548860), (8, 10161645), (10, 8129316), (12, 6774430), (13, 6253320), (15, 5419544), (20, 4064658), (24, 3387215), (26, 3126660), (30, 2709772), (31, 2622360), (39, 2084440), (40, 2032329), (41, 1982760), (52, 1563330), (60, 1354886), (62, 1311180), (65, 1250664), (78, 1042220), (82, 991380), (93, 874120), (104, 781665), (120, 677443), (123, 660920), (124, 655590), (130, 625332), (155, 524472), (156, 521110), (164, 495690), (186, 437060), (195, 416888), (205, 396552), (246, 330460), (248, 327795), (260, 312666), (310, 262236), (312, 260555), (328, 247845), (372, 218530), (390, 208444), (403, 201720), (410, 198276), (465, 174824), (492, 165230), (520, 156333), (533, 152520), (615, 132184), (620, 131118), (744, 109265), (780, 104222), (806, 100860), (820, 99138), (930, 87412), (984, 82615), (1066, 76260), (1209, 67240), (1230, 66092), (1240, 65559), (1271, 63960), (1560, 52111), (1599, 50840), (1612, 50430), (1640, 49569), (1681, 48360), (1860, 43706), (2015, 40344), (2132, 38130), (2418, 33620), (2460, 33046), (2542, 31980), (2665, 30504), (3198, 25420), (3224, 25215), (3362, 24180), (3720, 21853), (3813, 21320), (4030, 20172), (4264, 19065), (4836, 16810), (4920, 16523), (5043, 16120), (5084, 15990), (5330, 15252), (6045, 13448), (6355, 12792), (6396, 12710), (6724, 12090), (7626, 10660), (7995, 10168), (8060, 10086), (8405, 9672)]