126235720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 325140480

約数和(自身を除く): 198904760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 41, 52, 62, 65, 82, 104, 124, 130, 155, 164, 191, 205, 248, 260, 310, 328, 382, 403, 410, 520, 533, 620, 764, 806, 820, 955, 1066, 1240, 1271, 1528, 1612, 1640, 1910, 2015, 2132, 2483, 2542, 2665, 3224, 3820, 4030, 4264, 4966, 5084, 5330, 5921, 6355, 7640, 7831, 8060, 9932, 10168, 10660, 11842, 12415, 12710, 15662, 16120, 16523, 19864, 21320, 23684, 24830, 25420, 29605, 31324, 33046, 39155, 47368, 49660, 50840, 59210, 62648, 66092, 76973, 78310, 82615, 99320, 101803, 118420, 132184, 153946, 156620, 165230, 203606, 236840, 242761, 307892, 313240, 330460, 384865, 407212, 485522, 509015, 615784, 660920, 769730, 814424, 971044, 1018030, 1213805, 1539460, 1942088, 2036060, 2427610, 3078920, 3155893, 4072120, 4855220, 6311786, 9710440, 12623572, 15779465, 25247144, 31558930, 63117860, 126235720]

約数ペア:

[(1, 126235720), (2, 63117860), (4, 31558930), (5, 25247144), (8, 15779465), (10, 12623572), (13, 9710440), (20, 6311786), (26, 4855220), (31, 4072120), (40, 3155893), (41, 3078920), (52, 2427610), (62, 2036060), (65, 1942088), (82, 1539460), (104, 1213805), (124, 1018030), (130, 971044), (155, 814424), (164, 769730), (191, 660920), (205, 615784), (248, 509015), (260, 485522), (310, 407212), (328, 384865), (382, 330460), (403, 313240), (410, 307892), (520, 242761), (533, 236840), (620, 203606), (764, 165230), (806, 156620), (820, 153946), (955, 132184), (1066, 118420), (1240, 101803), (1271, 99320), (1528, 82615), (1612, 78310), (1640, 76973), (1910, 66092), (2015, 62648), (2132, 59210), (2483, 50840), (2542, 49660), (2665, 47368), (3224, 39155), (3820, 33046), (4030, 31324), (4264, 29605), (4966, 25420), (5084, 24830), (5330, 23684), (5921, 21320), (6355, 19864), (7640, 16523), (7831, 16120), (8060, 15662), (9932, 12710), (10168, 12415), (10660, 11842)]