712681640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:727

約数の個数: 128

約数和(自身を含む): 1856217600

約数和(自身を除く): 1143535960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 163, 190, 209, 220, 326, 380, 418, 440, 523, 652, 760, 815, 836, 1045, 1046, 1304, 1630, 1672, 1793, 2090, 2092, 2615, 3097, 3260, 3586, 4180, 4184, 5230, 5753, 6194, 6520, 7172, 8360, 8965, 9937, 10460, 11506, 12388, 14344, 15485, 17930, 19874, 20920, 23012, 24776, 28765, 30970, 34067, 35860, 39748, 46024, 49685, 57530, 61940, 68134, 71720, 79496, 85249, 99370, 109307, 115060, 123880, 136268, 170335, 170498, 198740, 218614, 230120, 272536, 340670, 340996, 397480, 426245, 437228, 546535, 681340, 681992, 852490, 874456, 937739, 1093070, 1362680, 1619731, 1704980, 1875478, 2186140, 3239462, 3409960, 3750956, 4372280, 4688695, 6478924, 7501912, 8098655, 9377390, 12957848, 16197310, 17817041, 18754780, 32394620, 35634082, 37509560, 64789240, 71268164, 89085205, 142536328, 178170410, 356340820, 712681640]

約数ペア:

[(1, 712681640), (2, 356340820), (4, 178170410), (5, 142536328), (8, 89085205), (10, 71268164), (11, 64789240), (19, 37509560), (20, 35634082), (22, 32394620), (38, 18754780), (40, 17817041), (44, 16197310), (55, 12957848), (76, 9377390), (88, 8098655), (95, 7501912), (110, 6478924), (152, 4688695), (163, 4372280), (190, 3750956), (209, 3409960), (220, 3239462), (326, 2186140), (380, 1875478), (418, 1704980), (440, 1619731), (523, 1362680), (652, 1093070), (760, 937739), (815, 874456), (836, 852490), (1045, 681992), (1046, 681340), (1304, 546535), (1630, 437228), (1672, 426245), (1793, 397480), (2090, 340996), (2092, 340670), (2615, 272536), (3097, 230120), (3260, 218614), (3586, 198740), (4180, 170498), (4184, 170335), (5230, 136268), (5753, 123880), (6194, 115060), (6520, 109307), (7172, 99370), (8360, 85249), (8965, 79496), (9937, 71720), (10460, 68134), (11506, 61940), (12388, 57530), (14344, 49685), (15485, 46024), (17930, 39748), (19874, 35860), (20920, 34067), (23012, 30970), (24776, 28765)]