20889610080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{2029}}^1$

素因数の和:2377

約数の個数: 192

約数和(自身を含む): 66850660800

約数和(自身を除く): 45961050720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 241, 267, 356, 445, 480, 482, 534, 712, 723, 890, 964, 1068, 1205, 1335, 1424, 1446, 1780, 1928, 2029, 2136, 2410, 2670, 2848, 2892, 3560, 3615, 3856, 4058, 4272, 4820, 5340, 5784, 6087, 7120, 7230, 7712, 8116, 8544, 9640, 10145, 10680, 11568, 12174, 14240, 14460, 16232, 19280, 20290, 21360, 21449, 23136, 24348, 28920, 30435, 32464, 38560, 40580, 42720, 42898, 48696, 57840, 60870, 64347, 64928, 81160, 85796, 97392, 107245, 115680, 121740, 128694, 162320, 171592, 180581, 194784, 214490, 243480, 257388, 321735, 324640, 343184, 361162, 428980, 486960, 488989, 514776, 541743, 643470, 686368, 722324, 857960, 902905, 973920, 977978, 1029552, 1083486, 1286940, 1444648, 1466967, 1715920, 1805810, 1955956, 2059104, 2166972, 2444945, 2573880, 2708715, 2889296, 2933934, 3431840, 3611620, 3911912, 4333944, 4889890, 5147760, 5417430, 5778592, 5867868, 7223240, 7334835, 7823824, 8667888, 9779780, 10295520, 10834860, 11735736, 14446480, 14669670, 15647648, 17335776, 19559560, 21669720, 23471472, 28892960, 29339340, 39119120, 43339440, 43520021, 46942944, 58678680, 78238240, 86678880, 87040042, 117357360, 130560063, 174080084, 217600105, 234714720, 261120126, 348160168, 435200210, 522240252, 652800315, 696320336, 870400420, 1044480504, 1305600630, 1392640672, 1740800840, 2088961008, 2611201260, 3481601680, 4177922016, 5222402520, 6963203360, 10444805040, 20889610080]

約数ペア:

[(1, 20889610080), (2, 10444805040), (3, 6963203360), (4, 5222402520), (5, 4177922016), (6, 3481601680), (8, 2611201260), (10, 2088961008), (12, 1740800840), (15, 1392640672), (16, 1305600630), (20, 1044480504), (24, 870400420), (30, 696320336), (32, 652800315), (40, 522240252), (48, 435200210), (60, 348160168), (80, 261120126), (89, 234714720), (96, 217600105), (120, 174080084), (160, 130560063), (178, 117357360), (240, 87040042), (241, 86678880), (267, 78238240), (356, 58678680), (445, 46942944), (480, 43520021), (482, 43339440), (534, 39119120), (712, 29339340), (723, 28892960), (890, 23471472), (964, 21669720), (1068, 19559560), (1205, 17335776), (1335, 15647648), (1424, 14669670), (1446, 14446480), (1780, 11735736), (1928, 10834860), (2029, 10295520), (2136, 9779780), (2410, 8667888), (2670, 7823824), (2848, 7334835), (2892, 7223240), (3560, 5867868), (3615, 5778592), (3856, 5417430), (4058, 5147760), (4272, 4889890), (4820, 4333944), (5340, 3911912), (5784, 3611620), (6087, 3431840), (7120, 2933934), (7230, 2889296), (7712, 2708715), (8116, 2573880), (8544, 2444945), (9640, 2166972), (10145, 2059104), (10680, 1955956), (11568, 1805810), (12174, 1715920), (14240, 1466967), (14460, 1444648), (16232, 1286940), (19280, 1083486), (20290, 1029552), (21360, 977978), (21449, 973920), (23136, 902905), (24348, 857960), (28920, 722324), (30435, 686368), (32464, 643470), (38560, 541743), (40580, 514776), (42720, 488989), (42898, 486960), (48696, 428980), (57840, 361162), (60870, 343184), (64347, 324640), (64928, 321735), (81160, 257388), (85796, 243480), (97392, 214490), (107245, 194784), (115680, 180581), (121740, 171592), (128694, 162320)]