78888180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 267337728

約数和(自身を除く): 188449548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 73, 83, 84, 93, 105, 124, 140, 146, 155, 166, 186, 210, 217, 219, 249, 292, 310, 332, 365, 372, 415, 420, 434, 438, 465, 498, 511, 581, 620, 651, 730, 830, 868, 876, 930, 996, 1022, 1085, 1095, 1162, 1245, 1302, 1460, 1533, 1660, 1743, 1860, 2044, 2170, 2190, 2263, 2324, 2490, 2555, 2573, 2604, 2905, 3066, 3255, 3486, 4340, 4380, 4526, 4980, 5110, 5146, 5810, 6059, 6132, 6510, 6789, 6972, 7665, 7719, 8715, 9052, 10220, 10292, 11315, 11620, 12118, 12865, 13020, 13578, 15330, 15438, 15841, 17430, 18011, 18177, 22630, 24236, 25730, 27156, 30295, 30660, 30876, 31682, 33945, 34860, 36022, 36354, 38595, 42413, 45260, 47523, 51460, 54033, 60590, 63364, 67890, 72044, 72708, 77190, 79205, 84826, 90055, 90885, 95046, 108066, 121180, 127239, 135780, 154380, 158410, 169652, 180110, 181770, 187829, 190092, 212065, 216132, 237615, 254478, 270165, 316820, 360220, 363540, 375658, 424130, 475230, 508956, 540330, 563487, 636195, 751316, 848260, 939145, 950460, 1080660, 1126974, 1272390, 1314803, 1878290, 2253948, 2544780, 2629606, 2817435, 3756580, 3944409, 5259212, 5634870, 6574015, 7888818, 11269740, 13148030, 15777636, 19722045, 26296060, 39444090, 78888180]

約数ペア:

[(1, 78888180), (2, 39444090), (3, 26296060), (4, 19722045), (5, 15777636), (6, 13148030), (7, 11269740), (10, 7888818), (12, 6574015), (14, 5634870), (15, 5259212), (20, 3944409), (21, 3756580), (28, 2817435), (30, 2629606), (31, 2544780), (35, 2253948), (42, 1878290), (60, 1314803), (62, 1272390), (70, 1126974), (73, 1080660), (83, 950460), (84, 939145), (93, 848260), (105, 751316), (124, 636195), (140, 563487), (146, 540330), (155, 508956), (166, 475230), (186, 424130), (210, 375658), (217, 363540), (219, 360220), (249, 316820), (292, 270165), (310, 254478), (332, 237615), (365, 216132), (372, 212065), (415, 190092), (420, 187829), (434, 181770), (438, 180110), (465, 169652), (498, 158410), (511, 154380), (581, 135780), (620, 127239), (651, 121180), (730, 108066), (830, 95046), (868, 90885), (876, 90055), (930, 84826), (996, 79205), (1022, 77190), (1085, 72708), (1095, 72044), (1162, 67890), (1245, 63364), (1302, 60590), (1460, 54033), (1533, 51460), (1660, 47523), (1743, 45260), (1860, 42413), (2044, 38595), (2170, 36354), (2190, 36022), (2263, 34860), (2324, 33945), (2490, 31682), (2555, 30876), (2573, 30660), (2604, 30295), (2905, 27156), (3066, 25730), (3255, 24236), (3486, 22630), (4340, 18177), (4380, 18011), (4526, 17430), (4980, 15841), (5110, 15438), (5146, 15330), (5810, 13578), (6059, 13020), (6132, 12865), (6510, 12118), (6789, 11620), (6972, 11315), (7665, 10292), (7719, 10220), (8715, 9052)]