71227960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 184680000

約数和(自身を除く): 113452040

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 37, 38, 40, 68, 74, 76, 85, 95, 136, 148, 149, 152, 170, 185, 190, 296, 298, 323, 340, 370, 380, 596, 629, 646, 680, 703, 740, 745, 760, 1192, 1258, 1292, 1406, 1480, 1490, 1615, 2516, 2533, 2584, 2812, 2831, 2980, 3145, 3230, 3515, 5032, 5066, 5513, 5624, 5662, 5960, 6290, 6460, 7030, 10132, 11026, 11324, 11951, 12580, 12665, 12920, 14060, 14155, 20264, 22052, 22648, 23902, 25160, 25330, 27565, 28120, 28310, 44104, 47804, 48127, 50660, 55130, 56620, 59755, 93721, 95608, 96254, 101320, 104747, 110260, 113240, 119510, 187442, 192508, 209494, 220520, 239020, 240635, 374884, 385016, 418988, 468605, 478040, 481270, 523735, 749768, 837976, 937210, 962540, 1047470, 1780699, 1874420, 1925080, 2094940, 3561398, 3748840, 4189880, 7122796, 8903495, 14245592, 17806990, 35613980, 71227960]

約数ペア:

[(1, 71227960), (2, 35613980), (4, 17806990), (5, 14245592), (8, 8903495), (10, 7122796), (17, 4189880), (19, 3748840), (20, 3561398), (34, 2094940), (37, 1925080), (38, 1874420), (40, 1780699), (68, 1047470), (74, 962540), (76, 937210), (85, 837976), (95, 749768), (136, 523735), (148, 481270), (149, 478040), (152, 468605), (170, 418988), (185, 385016), (190, 374884), (296, 240635), (298, 239020), (323, 220520), (340, 209494), (370, 192508), (380, 187442), (596, 119510), (629, 113240), (646, 110260), (680, 104747), (703, 101320), (740, 96254), (745, 95608), (760, 93721), (1192, 59755), (1258, 56620), (1292, 55130), (1406, 50660), (1480, 48127), (1490, 47804), (1615, 44104), (2516, 28310), (2533, 28120), (2584, 27565), (2812, 25330), (2831, 25160), (2980, 23902), (3145, 22648), (3230, 22052), (3515, 20264), (5032, 14155), (5066, 14060), (5513, 12920), (5624, 12665), (5662, 12580), (5960, 11951), (6290, 11324), (6460, 11026), (7030, 10132)]