178027590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 487710720

約数和(自身を除く): 309683130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 89, 115, 130, 138, 178, 195, 223, 230, 267, 299, 345, 390, 445, 446, 534, 598, 669, 690, 890, 897, 1115, 1157, 1335, 1338, 1495, 1794, 2047, 2230, 2314, 2670, 2899, 2990, 3345, 3471, 4094, 4485, 5129, 5785, 5798, 6141, 6690, 6942, 8697, 8970, 10235, 10258, 11570, 12282, 14495, 15387, 17355, 17394, 19847, 20470, 25645, 26611, 28990, 30705, 30774, 34710, 39694, 43485, 51290, 53222, 59541, 61410, 66677, 76935, 79833, 86970, 99235, 119082, 133055, 133354, 153870, 159666, 198470, 200031, 258011, 266110, 297705, 333385, 399165, 400062, 456481, 516022, 595410, 666770, 774033, 798330, 912962, 1000155, 1290055, 1369443, 1548066, 2000310, 2282405, 2580110, 2738886, 3870165, 4564810, 5934253, 6847215, 7740330, 11868506, 13694430, 17802759, 29671265, 35605518, 59342530, 89013795, 178027590]

約数ペア:

[(1, 178027590), (2, 89013795), (3, 59342530), (5, 35605518), (6, 29671265), (10, 17802759), (13, 13694430), (15, 11868506), (23, 7740330), (26, 6847215), (30, 5934253), (39, 4564810), (46, 3870165), (65, 2738886), (69, 2580110), (78, 2282405), (89, 2000310), (115, 1548066), (130, 1369443), (138, 1290055), (178, 1000155), (195, 912962), (223, 798330), (230, 774033), (267, 666770), (299, 595410), (345, 516022), (390, 456481), (445, 400062), (446, 399165), (534, 333385), (598, 297705), (669, 266110), (690, 258011), (890, 200031), (897, 198470), (1115, 159666), (1157, 153870), (1335, 133354), (1338, 133055), (1495, 119082), (1794, 99235), (2047, 86970), (2230, 79833), (2314, 76935), (2670, 66677), (2899, 61410), (2990, 59541), (3345, 53222), (3471, 51290), (4094, 43485), (4485, 39694), (5129, 34710), (5785, 30774), (5798, 30705), (6141, 28990), (6690, 26611), (6942, 25645), (8697, 20470), (8970, 19847), (10235, 17394), (10258, 17355), (11570, 15387), (12282, 14495)]