212754780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8887}}^1$

素因数の和:8928

約数の個数: 144

約数和(自身を含む): 776455680

約数和(自身を除く): 563700900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 8887, 11970, 17774, 23940, 26661, 35548, 44435, 53322, 62209, 79983, 88870, 106644, 124418, 133305, 159966, 168853, 177740, 186627, 248836, 266610, 311045, 319932, 337706, 373254, 399915, 506559, 533220, 559881, 622090, 675412, 746508, 799830, 844265, 933135, 1013118, 1119762, 1181971, 1244180, 1519677, 1599660, 1688530, 1866270, 2026236, 2239524, 2363942, 2532795, 2799405, 3039354, 3377060, 3545913, 3732540, 4727884, 5065590, 5598810, 5909855, 6078708, 7091826, 7598385, 10131180, 10637739, 11197620, 11819710, 14183652, 15196770, 17729565, 21275478, 23639420, 30393540, 35459130, 42550956, 53188695, 70918260, 106377390, 212754780]

約数ペア:

[(1, 212754780), (2, 106377390), (3, 70918260), (4, 53188695), (5, 42550956), (6, 35459130), (7, 30393540), (9, 23639420), (10, 21275478), (12, 17729565), (14, 15196770), (15, 14183652), (18, 11819710), (19, 11197620), (20, 10637739), (21, 10131180), (28, 7598385), (30, 7091826), (35, 6078708), (36, 5909855), (38, 5598810), (42, 5065590), (45, 4727884), (57, 3732540), (60, 3545913), (63, 3377060), (70, 3039354), (76, 2799405), (84, 2532795), (90, 2363942), (95, 2239524), (105, 2026236), (114, 1866270), (126, 1688530), (133, 1599660), (140, 1519677), (171, 1244180), (180, 1181971), (190, 1119762), (210, 1013118), (228, 933135), (252, 844265), (266, 799830), (285, 746508), (315, 675412), (342, 622090), (380, 559881), (399, 533220), (420, 506559), (532, 399915), (570, 373254), (630, 337706), (665, 319932), (684, 311045), (798, 266610), (855, 248836), (1140, 186627), (1197, 177740), (1260, 168853), (1330, 159966), (1596, 133305), (1710, 124418), (1995, 106644), (2394, 88870), (2660, 79983), (3420, 62209), (3990, 53322), (4788, 44435), (5985, 35548), (7980, 26661), (8887, 23940), (11970, 17774)]