2164791720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{198241}}^1$

素因数の和:198275

約数の個数: 128

約数和(自身を含む): 7993117440

約数和(自身を除く): 5828325720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 198241, 396482, 594723, 792964, 991205, 1189446, 1387687, 1585928, 1982410, 2378892, 2577133, 2775374, 2973615, 3964820, 4163061, 4757784, 5154266, 5550748, 5947230, 6938435, 7731399, 7929640, 8326122, 10308532, 11101496, 11894460, 12885665, 13876870, 15462798, 16652244, 18039931, 20617064, 20815305, 23788920, 25771330, 27753740, 30925596, 33304488, 36079862, 38656995, 41630610, 51542660, 54119793, 55507480, 61851192, 72159724, 77313990, 83261220, 90199655, 103085320, 108239586, 144319448, 154627980, 166522440, 180399310, 216479172, 270598965, 309255960, 360798620, 432958344, 541197930, 721597240, 1082395860, 2164791720]

約数ペア:

[(1, 2164791720), (2, 1082395860), (3, 721597240), (4, 541197930), (5, 432958344), (6, 360798620), (7, 309255960), (8, 270598965), (10, 216479172), (12, 180399310), (13, 166522440), (14, 154627980), (15, 144319448), (20, 108239586), (21, 103085320), (24, 90199655), (26, 83261220), (28, 77313990), (30, 72159724), (35, 61851192), (39, 55507480), (40, 54119793), (42, 51542660), (52, 41630610), (56, 38656995), (60, 36079862), (65, 33304488), (70, 30925596), (78, 27753740), (84, 25771330), (91, 23788920), (104, 20815305), (105, 20617064), (120, 18039931), (130, 16652244), (140, 15462798), (156, 13876870), (168, 12885665), (182, 11894460), (195, 11101496), (210, 10308532), (260, 8326122), (273, 7929640), (280, 7731399), (312, 6938435), (364, 5947230), (390, 5550748), (420, 5154266), (455, 4757784), (520, 4163061), (546, 3964820), (728, 2973615), (780, 2775374), (840, 2577133), (910, 2378892), (1092, 1982410), (1365, 1585928), (1560, 1387687), (1820, 1189446), (2184, 991205), (2730, 792964), (3640, 594723), (5460, 396482), (10920, 198241)]