1981908810

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18397}}^1$

素因数の和:18442

約数の個数: 160

約数和(自身を含む): 6411335040

約数和(自身を除く): 4429426230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 405, 513, 567, 570, 630, 665, 798, 810, 855, 945, 1026, 1134, 1197, 1330, 1539, 1710, 1890, 1995, 2394, 2565, 2835, 3078, 3591, 3990, 5130, 5670, 5985, 7182, 7695, 10773, 11970, 15390, 17955, 18397, 21546, 35910, 36794, 53865, 55191, 91985, 107730, 110382, 128779, 165573, 183970, 257558, 275955, 331146, 349543, 386337, 496719, 551910, 643895, 699086, 772674, 827865, 993438, 1048629, 1159011, 1287790, 1490157, 1655730, 1747715, 1931685, 2097258, 2318022, 2446801, 2483595, 2980314, 3145887, 3477033, 3495430, 3863370, 4893602, 4967190, 5243145, 5795055, 6291774, 6954066, 7340403, 7450785, 9437661, 10431099, 10486290, 11590110, 12234005, 14680806, 14901570, 15729435, 17385165, 18875322, 20862198, 22021209, 24468010, 28312983, 31458870, 34770330, 36702015, 44042418, 47188305, 52155495, 56625966, 66063627, 73404030, 94376610, 104310990, 110106045, 132127254, 141564915, 198190881, 220212090, 283129830, 330318135, 396381762, 660636270, 990954405, 1981908810]

約数ペア:

[(1, 1981908810), (2, 990954405), (3, 660636270), (5, 396381762), (6, 330318135), (7, 283129830), (9, 220212090), (10, 198190881), (14, 141564915), (15, 132127254), (18, 110106045), (19, 104310990), (21, 94376610), (27, 73404030), (30, 66063627), (35, 56625966), (38, 52155495), (42, 47188305), (45, 44042418), (54, 36702015), (57, 34770330), (63, 31458870), (70, 28312983), (81, 24468010), (90, 22021209), (95, 20862198), (105, 18875322), (114, 17385165), (126, 15729435), (133, 14901570), (135, 14680806), (162, 12234005), (171, 11590110), (189, 10486290), (190, 10431099), (210, 9437661), (266, 7450785), (270, 7340403), (285, 6954066), (315, 6291774), (342, 5795055), (378, 5243145), (399, 4967190), (405, 4893602), (513, 3863370), (567, 3495430), (570, 3477033), (630, 3145887), (665, 2980314), (798, 2483595), (810, 2446801), (855, 2318022), (945, 2097258), (1026, 1931685), (1134, 1747715), (1197, 1655730), (1330, 1490157), (1539, 1287790), (1710, 1159011), (1890, 1048629), (1995, 993438), (2394, 827865), (2565, 772674), (2835, 699086), (3078, 643895), (3591, 551910), (3990, 496719), (5130, 386337), (5670, 349543), (5985, 331146), (7182, 275955), (7695, 257558), (10773, 183970), (11970, 165573), (15390, 128779), (17955, 110382), (18397, 107730), (21546, 91985), (35910, 55191), (36794, 53865)]