68715780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 236544000

約数和(自身を除く): 167828220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 79, 84, 95, 105, 109, 114, 133, 140, 158, 190, 210, 218, 228, 237, 266, 285, 316, 327, 380, 395, 399, 420, 436, 474, 532, 545, 553, 570, 654, 665, 763, 790, 798, 948, 1090, 1106, 1140, 1185, 1308, 1330, 1501, 1526, 1580, 1596, 1635, 1659, 1995, 2071, 2180, 2212, 2289, 2370, 2660, 2765, 3002, 3052, 3270, 3318, 3815, 3990, 4142, 4503, 4578, 4740, 5530, 6004, 6213, 6540, 6636, 7505, 7630, 7980, 8284, 8295, 8611, 9006, 9156, 10355, 10507, 11060, 11445, 12426, 14497, 15010, 15260, 16590, 17222, 18012, 20710, 21014, 22515, 22890, 24852, 25833, 28994, 30020, 31065, 31521, 33180, 34444, 41420, 42028, 43055, 43491, 45030, 45780, 51666, 52535, 57988, 60277, 62130, 63042, 72485, 86110, 86982, 90060, 103332, 105070, 120554, 124260, 126084, 129165, 144970, 157605, 163609, 172220, 173964, 180831, 210140, 217455, 241108, 258330, 289940, 301385, 315210, 327218, 361662, 434910, 490827, 516660, 602770, 630420, 654436, 723324, 818045, 869820, 904155, 981654, 1145263, 1205540, 1636090, 1808310, 1963308, 2290526, 2454135, 3272180, 3435789, 3616620, 4581052, 4908270, 5726315, 6871578, 9816540, 11452630, 13743156, 17178945, 22905260, 34357890, 68715780]

約数ペア:

[(1, 68715780), (2, 34357890), (3, 22905260), (4, 17178945), (5, 13743156), (6, 11452630), (7, 9816540), (10, 6871578), (12, 5726315), (14, 4908270), (15, 4581052), (19, 3616620), (20, 3435789), (21, 3272180), (28, 2454135), (30, 2290526), (35, 1963308), (38, 1808310), (42, 1636090), (57, 1205540), (60, 1145263), (70, 981654), (76, 904155), (79, 869820), (84, 818045), (95, 723324), (105, 654436), (109, 630420), (114, 602770), (133, 516660), (140, 490827), (158, 434910), (190, 361662), (210, 327218), (218, 315210), (228, 301385), (237, 289940), (266, 258330), (285, 241108), (316, 217455), (327, 210140), (380, 180831), (395, 173964), (399, 172220), (420, 163609), (436, 157605), (474, 144970), (532, 129165), (545, 126084), (553, 124260), (570, 120554), (654, 105070), (665, 103332), (763, 90060), (790, 86982), (798, 86110), (948, 72485), (1090, 63042), (1106, 62130), (1140, 60277), (1185, 57988), (1308, 52535), (1330, 51666), (1501, 45780), (1526, 45030), (1580, 43491), (1596, 43055), (1635, 42028), (1659, 41420), (1995, 34444), (2071, 33180), (2180, 31521), (2212, 31065), (2289, 30020), (2370, 28994), (2660, 25833), (2765, 24852), (3002, 22890), (3052, 22515), (3270, 21014), (3318, 20710), (3815, 18012), (3990, 17222), (4142, 16590), (4503, 15260), (4578, 15010), (4740, 14497), (5530, 12426), (6004, 11445), (6213, 11060), (6540, 10507), (6636, 10355), (7505, 9156), (7630, 9006), (7980, 8611), (8284, 8295)]