20128786560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{11383}}^1$

素因数の和:11715

約数の個数: 192

約数和(自身を含む): 69739750080

約数和(自身を除く): 49610963520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 307, 320, 360, 384, 480, 576, 614, 640, 720, 921, 960, 1152, 1228, 1440, 1535, 1842, 1920, 2456, 2763, 2880, 3070, 3684, 4605, 4912, 5526, 5760, 6140, 7368, 9210, 9824, 11052, 11383, 12280, 13815, 14736, 18420, 19648, 22104, 22766, 24560, 27630, 29472, 34149, 36840, 39296, 44208, 45532, 49120, 55260, 56915, 58944, 68298, 73680, 88416, 91064, 98240, 102447, 110520, 113830, 117888, 136596, 147360, 170745, 176832, 182128, 196480, 204894, 221040, 227660, 273192, 294720, 341490, 353664, 364256, 409788, 442080, 455320, 512235, 546384, 589440, 682980, 728512, 819576, 884160, 910640, 1024470, 1092768, 1365960, 1457024, 1639152, 1768320, 1821280, 2048940, 2185536, 2731920, 3278304, 3494581, 3642560, 4097880, 4371072, 5463840, 6556608, 6989162, 7285120, 8195760, 10483743, 10927680, 13113216, 13978324, 16391520, 17472905, 20967486, 21855360, 27956648, 31451229, 32783040, 34945810, 41934972, 52418715, 55913296, 62902458, 65566080, 69891620, 83869944, 104837430, 111826592, 125804916, 139783240, 157256145, 167739888, 209674860, 223653184, 251609832, 279566480, 314512290, 335479776, 419349720, 447306368, 503219664, 559132960, 629024580, 670959552, 838699440, 1006439328, 1118265920, 1258049160, 1341919104, 1677398880, 2012878656, 2236531840, 2516098320, 3354797760, 4025757312, 5032196640, 6709595520, 10064393280, 20128786560]

約数ペア:

[(1, 20128786560), (2, 10064393280), (3, 6709595520), (4, 5032196640), (5, 4025757312), (6, 3354797760), (8, 2516098320), (9, 2236531840), (10, 2012878656), (12, 1677398880), (15, 1341919104), (16, 1258049160), (18, 1118265920), (20, 1006439328), (24, 838699440), (30, 670959552), (32, 629024580), (36, 559132960), (40, 503219664), (45, 447306368), (48, 419349720), (60, 335479776), (64, 314512290), (72, 279566480), (80, 251609832), (90, 223653184), (96, 209674860), (120, 167739888), (128, 157256145), (144, 139783240), (160, 125804916), (180, 111826592), (192, 104837430), (240, 83869944), (288, 69891620), (307, 65566080), (320, 62902458), (360, 55913296), (384, 52418715), (480, 41934972), (576, 34945810), (614, 32783040), (640, 31451229), (720, 27956648), (921, 21855360), (960, 20967486), (1152, 17472905), (1228, 16391520), (1440, 13978324), (1535, 13113216), (1842, 10927680), (1920, 10483743), (2456, 8195760), (2763, 7285120), (2880, 6989162), (3070, 6556608), (3684, 5463840), (4605, 4371072), (4912, 4097880), (5526, 3642560), (5760, 3494581), (6140, 3278304), (7368, 2731920), (9210, 2185536), (9824, 2048940), (11052, 1821280), (11383, 1768320), (12280, 1639152), (13815, 1457024), (14736, 1365960), (18420, 1092768), (19648, 1024470), (22104, 910640), (22766, 884160), (24560, 819576), (27630, 728512), (29472, 682980), (34149, 589440), (36840, 546384), (39296, 512235), (44208, 455320), (45532, 442080), (49120, 409788), (55260, 364256), (56915, 353664), (58944, 341490), (68298, 294720), (73680, 273192), (88416, 227660), (91064, 221040), (98240, 204894), (102447, 196480), (110520, 182128), (113830, 176832), (117888, 170745), (136596, 147360)]