171818985320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 399493866240

約数和(自身を除く): 227674880920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 443, 503, 521, 740, 886, 1006, 1042, 1480, 1772, 2012, 2084, 2215, 2515, 2605, 3544, 4024, 4168, 4430, 5030, 5210, 8860, 10060, 10420, 16391, 17720, 18611, 19277, 20120, 20840, 32782, 37222, 38554, 65564, 74444, 77108, 81955, 93055, 96385, 131128, 148888, 154216, 163910, 186110, 192770, 222829, 230803, 262063, 327820, 372220, 385540, 445658, 461606, 524126, 655640, 744440, 771080, 891316, 923212, 1048252, 1114145, 1154015, 1310315, 1782632, 1846424, 2096504, 2228290, 2308030, 2620630, 4456580, 4616060, 5241260, 8244673, 8539711, 8913160, 9232120, 9696331, 10482520, 16489346, 17079422, 19392662, 32978692, 34158844, 38785324, 41223365, 42698555, 48481655, 65957384, 68317688, 77570648, 82446730, 85397110, 96963310, 116093909, 164893460, 170794220, 193926620, 232187818, 329786920, 341588440, 387853240, 464375636, 580469545, 928751272, 1160939090, 2321878180, 4295474633, 4643756360, 8590949266, 17181898532, 21477373165, 34363797064, 42954746330, 85909492660, 171818985320]

約数ペア:

[(1, 171818985320), (2, 85909492660), (4, 42954746330), (5, 34363797064), (8, 21477373165), (10, 17181898532), (20, 8590949266), (37, 4643756360), (40, 4295474633), (74, 2321878180), (148, 1160939090), (185, 928751272), (296, 580469545), (370, 464375636), (443, 387853240), (503, 341588440), (521, 329786920), (740, 232187818), (886, 193926620), (1006, 170794220), (1042, 164893460), (1480, 116093909), (1772, 96963310), (2012, 85397110), (2084, 82446730), (2215, 77570648), (2515, 68317688), (2605, 65957384), (3544, 48481655), (4024, 42698555), (4168, 41223365), (4430, 38785324), (5030, 34158844), (5210, 32978692), (8860, 19392662), (10060, 17079422), (10420, 16489346), (16391, 10482520), (17720, 9696331), (18611, 9232120), (19277, 8913160), (20120, 8539711), (20840, 8244673), (32782, 5241260), (37222, 4616060), (38554, 4456580), (65564, 2620630), (74444, 2308030), (77108, 2228290), (81955, 2096504), (93055, 1846424), (96385, 1782632), (131128, 1310315), (148888, 1154015), (154216, 1114145), (163910, 1048252), (186110, 923212), (192770, 891316), (222829, 771080), (230803, 744440), (262063, 655640), (327820, 524126), (372220, 461606), (385540, 445658)]