31360980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10667}}^1$

素因数の和:10693

約数の個数: 72

約数和(自身を含む): 102156768

約数和(自身を除く): 70795788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10667, 21334, 32001, 42668, 53335, 64002, 74669, 106670, 128004, 149338, 160005, 213340, 224007, 298676, 320010, 373345, 448014, 522683, 640020, 746690, 896028, 1045366, 1120035, 1493380, 1568049, 2090732, 2240070, 2613415, 3136098, 4480140, 5226830, 6272196, 7840245, 10453660, 15680490, 31360980]

約数ペア:

[(1, 31360980), (2, 15680490), (3, 10453660), (4, 7840245), (5, 6272196), (6, 5226830), (7, 4480140), (10, 3136098), (12, 2613415), (14, 2240070), (15, 2090732), (20, 1568049), (21, 1493380), (28, 1120035), (30, 1045366), (35, 896028), (42, 746690), (49, 640020), (60, 522683), (70, 448014), (84, 373345), (98, 320010), (105, 298676), (140, 224007), (147, 213340), (196, 160005), (210, 149338), (245, 128004), (294, 106670), (420, 74669), (490, 64002), (588, 53335), (735, 42668), (980, 32001), (1470, 21334), (2940, 10667)]