72925020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1920

約数の個数: 144

約数和(自身を含む): 261101568

約数和(自身を除く): 188176548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1867, 1953, 2170, 2604, 2790, 3255, 3734, 3906, 4340, 5580, 5601, 6510, 7468, 7812, 9335, 9765, 11202, 13020, 13069, 16803, 18670, 19530, 22404, 26138, 28005, 33606, 37340, 39060, 39207, 52276, 56010, 57877, 65345, 67212, 78414, 84015, 112020, 115754, 117621, 130690, 156828, 168030, 173631, 196035, 231508, 235242, 261380, 289385, 336060, 347262, 392070, 405139, 470484, 520893, 578770, 588105, 694524, 784140, 810278, 868155, 1041786, 1157540, 1176210, 1215417, 1620556, 1736310, 2025695, 2083572, 2352420, 2430834, 2604465, 3472620, 3646251, 4051390, 4861668, 5208930, 6077085, 7292502, 8102780, 10417860, 12154170, 14585004, 18231255, 24308340, 36462510, 72925020]

約数ペア:

[(1, 72925020), (2, 36462510), (3, 24308340), (4, 18231255), (5, 14585004), (6, 12154170), (7, 10417860), (9, 8102780), (10, 7292502), (12, 6077085), (14, 5208930), (15, 4861668), (18, 4051390), (20, 3646251), (21, 3472620), (28, 2604465), (30, 2430834), (31, 2352420), (35, 2083572), (36, 2025695), (42, 1736310), (45, 1620556), (60, 1215417), (62, 1176210), (63, 1157540), (70, 1041786), (84, 868155), (90, 810278), (93, 784140), (105, 694524), (124, 588105), (126, 578770), (140, 520893), (155, 470484), (180, 405139), (186, 392070), (210, 347262), (217, 336060), (252, 289385), (279, 261380), (310, 235242), (315, 231508), (372, 196035), (420, 173631), (434, 168030), (465, 156828), (558, 130690), (620, 117621), (630, 115754), (651, 112020), (868, 84015), (930, 78414), (1085, 67212), (1116, 65345), (1260, 57877), (1302, 56010), (1395, 52276), (1860, 39207), (1867, 39060), (1953, 37340), (2170, 33606), (2604, 28005), (2790, 26138), (3255, 22404), (3734, 19530), (3906, 18670), (4340, 16803), (5580, 13069), (5601, 13020), (6510, 11202), (7468, 9765), (7812, 9335)]