2421281520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6581}}^1$

素因数の和:6680

約数の個数: 240

約数和(自身を含む): 9421843392

約数和(自身を除く): 7000561872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 112, 120, 126, 140, 144, 146, 168, 180, 210, 219, 240, 252, 280, 292, 315, 336, 360, 365, 420, 438, 504, 511, 560, 584, 630, 657, 720, 730, 840, 876, 1008, 1022, 1095, 1168, 1260, 1314, 1460, 1533, 1680, 1752, 2044, 2190, 2520, 2555, 2628, 2920, 3066, 3285, 3504, 4088, 4380, 4599, 5040, 5110, 5256, 5840, 6132, 6570, 6581, 7665, 8176, 8760, 9198, 10220, 10512, 12264, 13140, 13162, 15330, 17520, 18396, 19743, 20440, 22995, 24528, 26280, 26324, 30660, 32905, 36792, 39486, 40880, 45990, 46067, 52560, 52648, 59229, 61320, 65810, 73584, 78972, 91980, 92134, 98715, 105296, 118458, 122640, 131620, 138201, 157944, 183960, 184268, 197430, 230335, 236916, 263240, 276402, 296145, 315888, 367920, 368536, 394860, 414603, 460670, 473832, 480413, 526480, 552804, 592290, 691005, 737072, 789720, 829206, 921340, 947664, 960826, 1105608, 1184580, 1382010, 1441239, 1579440, 1658412, 1842680, 1921652, 2073015, 2211216, 2369160, 2402065, 2764020, 2882478, 3316824, 3362891, 3685360, 3843304, 4146030, 4323717, 4738320, 4804130, 5528040, 5764956, 6633648, 6725782, 7206195, 7686608, 8292060, 8647434, 9608260, 10088673, 11056080, 11529912, 13451564, 14412390, 16584120, 16814455, 17294868, 19216520, 20177346, 21618585, 23059824, 26903128, 28824780, 30266019, 33168240, 33628910, 34589736, 38433040, 40354692, 43237170, 50443365, 53806256, 57649560, 60532038, 67257820, 69179472, 80709384, 86474340, 100886730, 115299120, 121064076, 134515640, 151330095, 161418768, 172948680, 201773460, 242128152, 269031280, 302660190, 345897360, 403546920, 484256304, 605320380, 807093840, 1210640760, 2421281520]

約数ペア:

[(1, 2421281520), (2, 1210640760), (3, 807093840), (4, 605320380), (5, 484256304), (6, 403546920), (7, 345897360), (8, 302660190), (9, 269031280), (10, 242128152), (12, 201773460), (14, 172948680), (15, 161418768), (16, 151330095), (18, 134515640), (20, 121064076), (21, 115299120), (24, 100886730), (28, 86474340), (30, 80709384), (35, 69179472), (36, 67257820), (40, 60532038), (42, 57649560), (45, 53806256), (48, 50443365), (56, 43237170), (60, 40354692), (63, 38433040), (70, 34589736), (72, 33628910), (73, 33168240), (80, 30266019), (84, 28824780), (90, 26903128), (105, 23059824), (112, 21618585), (120, 20177346), (126, 19216520), (140, 17294868), (144, 16814455), (146, 16584120), (168, 14412390), (180, 13451564), (210, 11529912), (219, 11056080), (240, 10088673), (252, 9608260), (280, 8647434), (292, 8292060), (315, 7686608), (336, 7206195), (360, 6725782), (365, 6633648), (420, 5764956), (438, 5528040), (504, 4804130), (511, 4738320), (560, 4323717), (584, 4146030), (630, 3843304), (657, 3685360), (720, 3362891), (730, 3316824), (840, 2882478), (876, 2764020), (1008, 2402065), (1022, 2369160), (1095, 2211216), (1168, 2073015), (1260, 1921652), (1314, 1842680), (1460, 1658412), (1533, 1579440), (1680, 1441239), (1752, 1382010), (2044, 1184580), (2190, 1105608), (2520, 960826), (2555, 947664), (2628, 921340), (2920, 829206), (3066, 789720), (3285, 737072), (3504, 691005), (4088, 592290), (4380, 552804), (4599, 526480), (5040, 480413), (5110, 473832), (5256, 460670), (5840, 414603), (6132, 394860), (6570, 368536), (6581, 367920), (7665, 315888), (8176, 296145), (8760, 276402), (9198, 263240), (10220, 236916), (10512, 230335), (12264, 197430), (13140, 184268), (13162, 183960), (15330, 157944), (17520, 138201), (18396, 131620), (19743, 122640), (20440, 118458), (22995, 105296), (24528, 98715), (26280, 92134), (26324, 91980), (30660, 78972), (32905, 73584), (36792, 65810), (39486, 61320), (40880, 59229), (45990, 52648), (46067, 52560)]