445633440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{18947}}^1$

素因数の和:18979

約数の個数: 144

約数和(自身を含む): 1633014432

約数和(自身を除く): 1187380992

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 18947, 23520, 37894, 56841, 75788, 94735, 113682, 132629, 151576, 189470, 227364, 265258, 284205, 303152, 378940, 397887, 454728, 530516, 568410, 606304, 663145, 757880, 795774, 909456, 928403, 1061032, 1136820, 1326290, 1515760, 1591548, 1818912, 1856806, 1989435, 2122064, 2273640, 2652580, 2785209, 3031520, 3183096, 3713612, 3978870, 4244128, 4547280, 4642015, 5305160, 5570418, 6366192, 7427224, 7957740, 9094560, 9284030, 10610320, 11140836, 12732384, 13926045, 14854448, 15915480, 18568060, 21220640, 22281672, 27852090, 29708896, 31830960, 37136120, 44563344, 55704180, 63661920, 74272240, 89126688, 111408360, 148544480, 222816720, 445633440]

約数ペア:

[(1, 445633440), (2, 222816720), (3, 148544480), (4, 111408360), (5, 89126688), (6, 74272240), (7, 63661920), (8, 55704180), (10, 44563344), (12, 37136120), (14, 31830960), (15, 29708896), (16, 27852090), (20, 22281672), (21, 21220640), (24, 18568060), (28, 15915480), (30, 14854448), (32, 13926045), (35, 12732384), (40, 11140836), (42, 10610320), (48, 9284030), (49, 9094560), (56, 7957740), (60, 7427224), (70, 6366192), (80, 5570418), (84, 5305160), (96, 4642015), (98, 4547280), (105, 4244128), (112, 3978870), (120, 3713612), (140, 3183096), (147, 3031520), (160, 2785209), (168, 2652580), (196, 2273640), (210, 2122064), (224, 1989435), (240, 1856806), (245, 1818912), (280, 1591548), (294, 1515760), (336, 1326290), (392, 1136820), (420, 1061032), (480, 928403), (490, 909456), (560, 795774), (588, 757880), (672, 663145), (735, 606304), (784, 568410), (840, 530516), (980, 454728), (1120, 397887), (1176, 378940), (1470, 303152), (1568, 284205), (1680, 265258), (1960, 227364), (2352, 189470), (2940, 151576), (3360, 132629), (3920, 113682), (4704, 94735), (5880, 75788), (7840, 56841), (11760, 37894), (18947, 23520)]