1216951680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{90547}}^1$

素因数の和:90576

約数の個数: 128

約数和(自身を含む): 4433230080

約数和(自身を除く): 3216278400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 90547, 181094, 271641, 362188, 452735, 543282, 633829, 724376, 905470, 1086564, 1267658, 1358205, 1448752, 1810940, 1901487, 2173128, 2535316, 2716410, 2897504, 3169145, 3621880, 3802974, 4346256, 5070632, 5432820, 5795008, 6338290, 7243760, 7605948, 8692512, 9507435, 10141264, 10865640, 11590016, 12676580, 14487520, 15211896, 17385024, 19014870, 20282528, 21731280, 25353160, 28975040, 30423792, 34770048, 38029740, 40565056, 43462560, 50706320, 57950080, 60847584, 76059480, 81130112, 86925120, 101412640, 121695168, 152118960, 173850240, 202825280, 243390336, 304237920, 405650560, 608475840, 1216951680]

約数ペア:

[(1, 1216951680), (2, 608475840), (3, 405650560), (4, 304237920), (5, 243390336), (6, 202825280), (7, 173850240), (8, 152118960), (10, 121695168), (12, 101412640), (14, 86925120), (15, 81130112), (16, 76059480), (20, 60847584), (21, 57950080), (24, 50706320), (28, 43462560), (30, 40565056), (32, 38029740), (35, 34770048), (40, 30423792), (42, 28975040), (48, 25353160), (56, 21731280), (60, 20282528), (64, 19014870), (70, 17385024), (80, 15211896), (84, 14487520), (96, 12676580), (105, 11590016), (112, 10865640), (120, 10141264), (128, 9507435), (140, 8692512), (160, 7605948), (168, 7243760), (192, 6338290), (210, 5795008), (224, 5432820), (240, 5070632), (280, 4346256), (320, 3802974), (336, 3621880), (384, 3169145), (420, 2897504), (448, 2716410), (480, 2535316), (560, 2173128), (640, 1901487), (672, 1810940), (840, 1448752), (896, 1358205), (960, 1267658), (1120, 1086564), (1344, 905470), (1680, 724376), (1920, 633829), (2240, 543282), (2688, 452735), (3360, 362188), (4480, 271641), (6720, 181094), (13440, 90547)]