172686120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:867

約数の個数: 128

約数和(自身を含む): 544250880

約数和(自身を除く): 371564760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 761, 915, 930, 1220, 1240, 1464, 1522, 1830, 1860, 1891, 2283, 2440, 3044, 3660, 3720, 3782, 3805, 4566, 5673, 6088, 7320, 7564, 7610, 9132, 9455, 11346, 11415, 15128, 15220, 18264, 18910, 22692, 22830, 23591, 28365, 30440, 37820, 45384, 45660, 46421, 47182, 56730, 70773, 75640, 91320, 92842, 94364, 113460, 117955, 139263, 141546, 185684, 188728, 226920, 232105, 235910, 278526, 283092, 353865, 371368, 464210, 471820, 557052, 566184, 696315, 707730, 928420, 943640, 1114104, 1392630, 1415460, 1439051, 1856840, 2785260, 2830920, 2878102, 4317153, 5570520, 5756204, 7195255, 8634306, 11512408, 14390510, 17268612, 21585765, 28781020, 34537224, 43171530, 57562040, 86343060, 172686120]

約数ペア:

[(1, 172686120), (2, 86343060), (3, 57562040), (4, 43171530), (5, 34537224), (6, 28781020), (8, 21585765), (10, 17268612), (12, 14390510), (15, 11512408), (20, 8634306), (24, 7195255), (30, 5756204), (31, 5570520), (40, 4317153), (60, 2878102), (61, 2830920), (62, 2785260), (93, 1856840), (120, 1439051), (122, 1415460), (124, 1392630), (155, 1114104), (183, 943640), (186, 928420), (244, 707730), (248, 696315), (305, 566184), (310, 557052), (366, 471820), (372, 464210), (465, 371368), (488, 353865), (610, 283092), (620, 278526), (732, 235910), (744, 232105), (761, 226920), (915, 188728), (930, 185684), (1220, 141546), (1240, 139263), (1464, 117955), (1522, 113460), (1830, 94364), (1860, 92842), (1891, 91320), (2283, 75640), (2440, 70773), (3044, 56730), (3660, 47182), (3720, 46421), (3782, 45660), (3805, 45384), (4566, 37820), (5673, 30440), (6088, 28365), (7320, 23591), (7564, 22830), (7610, 22692), (9132, 18910), (9455, 18264), (11346, 15220), (11415, 15128)]