87345180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 288331680

約数和(自身を除く): 200986500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 229, 234, 260, 326, 390, 458, 468, 489, 585, 652, 687, 780, 815, 916, 978, 1145, 1170, 1374, 1467, 1630, 1956, 2061, 2119, 2290, 2340, 2445, 2748, 2934, 2977, 3260, 3435, 4122, 4238, 4580, 4890, 5868, 5954, 6357, 6870, 7335, 8244, 8476, 8931, 9780, 10305, 10595, 11908, 12714, 13740, 14670, 14885, 17862, 19071, 20610, 21190, 25428, 26793, 29340, 29770, 31785, 35724, 37327, 38142, 41220, 42380, 44655, 53586, 59540, 63570, 74654, 76284, 89310, 95355, 107172, 111981, 127140, 133965, 149308, 178620, 186635, 190710, 223962, 267930, 335943, 373270, 381420, 447924, 485251, 535860, 559905, 671886, 746540, 970502, 1119810, 1343772, 1455753, 1679715, 1941004, 2239620, 2426255, 2911506, 3359430, 4367259, 4852510, 5823012, 6718860, 7278765, 8734518, 9705020, 14557530, 17469036, 21836295, 29115060, 43672590, 87345180]

約数ペア:

[(1, 87345180), (2, 43672590), (3, 29115060), (4, 21836295), (5, 17469036), (6, 14557530), (9, 9705020), (10, 8734518), (12, 7278765), (13, 6718860), (15, 5823012), (18, 4852510), (20, 4367259), (26, 3359430), (30, 2911506), (36, 2426255), (39, 2239620), (45, 1941004), (52, 1679715), (60, 1455753), (65, 1343772), (78, 1119810), (90, 970502), (117, 746540), (130, 671886), (156, 559905), (163, 535860), (180, 485251), (195, 447924), (229, 381420), (234, 373270), (260, 335943), (326, 267930), (390, 223962), (458, 190710), (468, 186635), (489, 178620), (585, 149308), (652, 133965), (687, 127140), (780, 111981), (815, 107172), (916, 95355), (978, 89310), (1145, 76284), (1170, 74654), (1374, 63570), (1467, 59540), (1630, 53586), (1956, 44655), (2061, 42380), (2119, 41220), (2290, 38142), (2340, 37327), (2445, 35724), (2748, 31785), (2934, 29770), (2977, 29340), (3260, 26793), (3435, 25428), (4122, 21190), (4238, 20610), (4580, 19071), (4890, 17862), (5868, 14885), (5954, 14670), (6357, 13740), (6870, 12714), (7335, 11908), (8244, 10595), (8476, 10305), (8931, 9780)]