247380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 96

約数和(自身を含む): 860160

約数和(自身を除く): 612780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 124, 133, 140, 155, 186, 190, 210, 217, 228, 266, 285, 310, 372, 380, 399, 420, 434, 465, 532, 570, 589, 620, 651, 665, 798, 868, 930, 1085, 1140, 1178, 1302, 1330, 1596, 1767, 1860, 1995, 2170, 2356, 2604, 2660, 2945, 3255, 3534, 3990, 4123, 4340, 5890, 6510, 7068, 7980, 8246, 8835, 11780, 12369, 13020, 16492, 17670, 20615, 24738, 35340, 41230, 49476, 61845, 82460, 123690, 247380]

約数ペア:

[(1, 247380), (2, 123690), (3, 82460), (4, 61845), (5, 49476), (6, 41230), (7, 35340), (10, 24738), (12, 20615), (14, 17670), (15, 16492), (19, 13020), (20, 12369), (21, 11780), (28, 8835), (30, 8246), (31, 7980), (35, 7068), (38, 6510), (42, 5890), (57, 4340), (60, 4123), (62, 3990), (70, 3534), (76, 3255), (84, 2945), (93, 2660), (95, 2604), (105, 2356), (114, 2170), (124, 1995), (133, 1860), (140, 1767), (155, 1596), (186, 1330), (190, 1302), (210, 1178), (217, 1140), (228, 1085), (266, 930), (285, 868), (310, 798), (372, 665), (380, 651), (399, 620), (420, 589), (434, 570), (465, 532)]