156915180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 500467968

約数和(自身を除く): 343552788

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, 155, 180, 183, 186, 244, 279, 305, 310, 366, 372, 461, 465, 549, 558, 610, 620, 732, 915, 922, 930, 1098, 1116, 1220, 1383, 1395, 1830, 1844, 1860, 1891, 2196, 2305, 2745, 2766, 2790, 3660, 3782, 4149, 4610, 5490, 5532, 5580, 5673, 6915, 7564, 8298, 9220, 9455, 10980, 11346, 13830, 14291, 16596, 17019, 18910, 20745, 22692, 27660, 28121, 28365, 28582, 34038, 37820, 41490, 42873, 56242, 56730, 57164, 68076, 71455, 82980, 84363, 85095, 85746, 112484, 113460, 128619, 140605, 142910, 168726, 170190, 171492, 214365, 253089, 257238, 281210, 285820, 337452, 340380, 421815, 428730, 506178, 514476, 562420, 643095, 843630, 857460, 871751, 1012356, 1265445, 1286190, 1687260, 1743502, 2530890, 2572380, 2615253, 3487004, 4358755, 5061780, 5230506, 7845759, 8717510, 10461012, 13076265, 15691518, 17435020, 26152530, 31383036, 39228795, 52305060, 78457590, 156915180]

約数ペア:

[(1, 156915180), (2, 78457590), (3, 52305060), (4, 39228795), (5, 31383036), (6, 26152530), (9, 17435020), (10, 15691518), (12, 13076265), (15, 10461012), (18, 8717510), (20, 7845759), (30, 5230506), (31, 5061780), (36, 4358755), (45, 3487004), (60, 2615253), (61, 2572380), (62, 2530890), (90, 1743502), (93, 1687260), (122, 1286190), (124, 1265445), (155, 1012356), (180, 871751), (183, 857460), (186, 843630), (244, 643095), (279, 562420), (305, 514476), (310, 506178), (366, 428730), (372, 421815), (461, 340380), (465, 337452), (549, 285820), (558, 281210), (610, 257238), (620, 253089), (732, 214365), (915, 171492), (922, 170190), (930, 168726), (1098, 142910), (1116, 140605), (1220, 128619), (1383, 113460), (1395, 112484), (1830, 85746), (1844, 85095), (1860, 84363), (1891, 82980), (2196, 71455), (2305, 68076), (2745, 57164), (2766, 56730), (2790, 56242), (3660, 42873), (3782, 41490), (4149, 37820), (4610, 34038), (5490, 28582), (5532, 28365), (5580, 28121), (5673, 27660), (6915, 22692), (7564, 20745), (8298, 18910), (9220, 17019), (9455, 16596), (10980, 14291), (11346, 13830)]