140844120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 437114880

約数和(自身を除く): 296270760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 71, 120, 122, 142, 183, 213, 244, 271, 284, 305, 355, 366, 426, 488, 542, 568, 610, 710, 732, 813, 852, 915, 1065, 1084, 1220, 1355, 1420, 1464, 1626, 1704, 1830, 2130, 2168, 2440, 2710, 2840, 3252, 3660, 4065, 4260, 4331, 5420, 6504, 7320, 8130, 8520, 8662, 10840, 12993, 16260, 16531, 17324, 19241, 21655, 25986, 32520, 33062, 34648, 38482, 43310, 49593, 51972, 57723, 64965, 66124, 76964, 82655, 86620, 96205, 99186, 103944, 115446, 129930, 132248, 153928, 165310, 173240, 192410, 198372, 230892, 247965, 259860, 288615, 330620, 384820, 396744, 461784, 495930, 519720, 577230, 661240, 769640, 991860, 1154460, 1173701, 1983720, 2308920, 2347402, 3521103, 4694804, 5868505, 7042206, 9389608, 11737010, 14084412, 17605515, 23474020, 28168824, 35211030, 46948040, 70422060, 140844120]

約数ペア:

[(1, 140844120), (2, 70422060), (3, 46948040), (4, 35211030), (5, 28168824), (6, 23474020), (8, 17605515), (10, 14084412), (12, 11737010), (15, 9389608), (20, 7042206), (24, 5868505), (30, 4694804), (40, 3521103), (60, 2347402), (61, 2308920), (71, 1983720), (120, 1173701), (122, 1154460), (142, 991860), (183, 769640), (213, 661240), (244, 577230), (271, 519720), (284, 495930), (305, 461784), (355, 396744), (366, 384820), (426, 330620), (488, 288615), (542, 259860), (568, 247965), (610, 230892), (710, 198372), (732, 192410), (813, 173240), (852, 165310), (915, 153928), (1065, 132248), (1084, 129930), (1220, 115446), (1355, 103944), (1420, 99186), (1464, 96205), (1626, 86620), (1704, 82655), (1830, 76964), (2130, 66124), (2168, 64965), (2440, 57723), (2710, 51972), (2840, 49593), (3252, 43310), (3660, 38482), (4065, 34648), (4260, 33062), (4331, 32520), (5420, 25986), (6504, 21655), (7320, 19241), (8130, 17324), (8520, 16531), (8662, 16260), (10840, 12993)]