215964840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19777}}^1$

素因数の和:19811

約数の個数: 128

約数和(自身を含む): 797448960

約数和(自身を除く): 581484120

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, 19777, 39554, 59331, 79108, 98885, 118662, 138439, 158216, 197770, 237324, 257101, 276878, 296655, 395540, 415317, 474648, 514202, 553756, 593310, 692195, 771303, 791080, 830634, 1028404, 1107512, 1186620, 1285505, 1384390, 1542606, 1661268, 1799707, 2056808, 2076585, 2373240, 2571010, 2768780, 3085212, 3322536, 3599414, 3856515, 4153170, 5142020, 5399121, 5537560, 6170424, 7198828, 7713030, 8306340, 8998535, 10284040, 10798242, 14397656, 15426060, 16612680, 17997070, 21596484, 26995605, 30852120, 35994140, 43192968, 53991210, 71988280, 107982420, 215964840]

約数ペア:

[(1, 215964840), (2, 107982420), (3, 71988280), (4, 53991210), (5, 43192968), (6, 35994140), (7, 30852120), (8, 26995605), (10, 21596484), (12, 17997070), (13, 16612680), (14, 15426060), (15, 14397656), (20, 10798242), (21, 10284040), (24, 8998535), (26, 8306340), (28, 7713030), (30, 7198828), (35, 6170424), (39, 5537560), (40, 5399121), (42, 5142020), (52, 4153170), (56, 3856515), (60, 3599414), (65, 3322536), (70, 3085212), (78, 2768780), (84, 2571010), (91, 2373240), (104, 2076585), (105, 2056808), (120, 1799707), (130, 1661268), (140, 1542606), (156, 1384390), (168, 1285505), (182, 1186620), (195, 1107512), (210, 1028404), (260, 830634), (273, 791080), (280, 771303), (312, 692195), (364, 593310), (390, 553756), (420, 514202), (455, 474648), (520, 415317), (546, 395540), (728, 296655), (780, 276878), (840, 257101), (910, 237324), (1092, 197770), (1365, 158216), (1560, 138439), (1820, 118662), (2184, 98885), (2730, 79108), (3640, 59331), (5460, 39554), (10920, 19777)]