51397380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 164656128

約数和(自身を除く): 113258748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 151, 155, 180, 183, 186, 244, 279, 302, 305, 310, 366, 372, 453, 465, 549, 558, 604, 610, 620, 732, 755, 906, 915, 930, 1098, 1116, 1220, 1359, 1395, 1510, 1812, 1830, 1860, 1891, 2196, 2265, 2718, 2745, 2790, 3020, 3660, 3782, 4530, 4681, 5436, 5490, 5580, 5673, 6795, 7564, 9060, 9211, 9362, 9455, 10980, 11346, 13590, 14043, 17019, 18422, 18724, 18910, 22692, 23405, 27180, 27633, 28086, 28365, 34038, 36844, 37820, 42129, 46055, 46810, 55266, 56172, 56730, 68076, 70215, 82899, 84258, 85095, 92110, 93620, 110532, 113460, 138165, 140430, 165798, 168516, 170190, 184220, 210645, 276330, 280860, 285541, 331596, 340380, 414495, 421290, 552660, 571082, 828990, 842580, 856623, 1142164, 1427705, 1657980, 1713246, 2569869, 2855410, 3426492, 4283115, 5139738, 5710820, 8566230, 10279476, 12849345, 17132460, 25698690, 51397380]

約数ペア:

[(1, 51397380), (2, 25698690), (3, 17132460), (4, 12849345), (5, 10279476), (6, 8566230), (9, 5710820), (10, 5139738), (12, 4283115), (15, 3426492), (18, 2855410), (20, 2569869), (30, 1713246), (31, 1657980), (36, 1427705), (45, 1142164), (60, 856623), (61, 842580), (62, 828990), (90, 571082), (93, 552660), (122, 421290), (124, 414495), (151, 340380), (155, 331596), (180, 285541), (183, 280860), (186, 276330), (244, 210645), (279, 184220), (302, 170190), (305, 168516), (310, 165798), (366, 140430), (372, 138165), (453, 113460), (465, 110532), (549, 93620), (558, 92110), (604, 85095), (610, 84258), (620, 82899), (732, 70215), (755, 68076), (906, 56730), (915, 56172), (930, 55266), (1098, 46810), (1116, 46055), (1220, 42129), (1359, 37820), (1395, 36844), (1510, 34038), (1812, 28365), (1830, 28086), (1860, 27633), (1891, 27180), (2196, 23405), (2265, 22692), (2718, 18910), (2745, 18724), (2790, 18422), (3020, 17019), (3660, 14043), (3782, 13590), (4530, 11346), (4681, 10980), (5436, 9455), (5490, 9362), (5580, 9211), (5673, 9060), (6795, 7564)]