15981700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 42636160

約数和(自身を除く): 26654460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 79, 85, 100, 119, 140, 158, 170, 175, 238, 289, 316, 340, 350, 395, 425, 476, 553, 578, 595, 700, 790, 850, 1106, 1156, 1190, 1343, 1445, 1580, 1700, 1975, 2023, 2212, 2380, 2686, 2765, 2890, 2975, 3950, 4046, 5372, 5530, 5780, 5950, 6715, 7225, 7900, 8092, 9401, 10115, 11060, 11900, 13430, 13825, 14450, 18802, 20230, 22831, 26860, 27650, 28900, 33575, 37604, 40460, 45662, 47005, 50575, 55300, 67150, 91324, 94010, 101150, 114155, 134300, 159817, 188020, 202300, 228310, 235025, 319634, 456620, 470050, 570775, 639268, 799085, 940100, 1141550, 1598170, 2283100, 3196340, 3995425, 7990850, 15981700]

約数ペア:

[(1, 15981700), (2, 7990850), (4, 3995425), (5, 3196340), (7, 2283100), (10, 1598170), (14, 1141550), (17, 940100), (20, 799085), (25, 639268), (28, 570775), (34, 470050), (35, 456620), (50, 319634), (68, 235025), (70, 228310), (79, 202300), (85, 188020), (100, 159817), (119, 134300), (140, 114155), (158, 101150), (170, 94010), (175, 91324), (238, 67150), (289, 55300), (316, 50575), (340, 47005), (350, 45662), (395, 40460), (425, 37604), (476, 33575), (553, 28900), (578, 27650), (595, 26860), (700, 22831), (790, 20230), (850, 18802), (1106, 14450), (1156, 13825), (1190, 13430), (1343, 11900), (1445, 11060), (1580, 10115), (1700, 9401), (1975, 8092), (2023, 7900), (2212, 7225), (2380, 6715), (2686, 5950), (2765, 5780), (2890, 5530), (2975, 5372), (3950, 4046)]