261220740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 192

約数和(自身を含む): 864138240

約数和(自身を除く): 602917500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 37, 38, 44, 55, 57, 60, 66, 74, 76, 95, 110, 111, 114, 132, 148, 165, 185, 190, 209, 220, 222, 228, 285, 330, 370, 380, 407, 418, 444, 555, 563, 570, 627, 660, 703, 740, 814, 836, 1045, 1110, 1126, 1140, 1221, 1254, 1406, 1628, 1689, 2035, 2090, 2109, 2220, 2252, 2442, 2508, 2812, 2815, 3135, 3378, 3515, 4070, 4180, 4218, 4884, 5630, 6105, 6193, 6270, 6756, 7030, 7733, 8140, 8436, 8445, 10545, 10697, 11260, 12210, 12386, 12540, 14060, 15466, 16890, 18579, 20831, 21090, 21394, 23199, 24420, 24772, 30932, 30965, 32091, 33780, 37158, 38665, 41662, 42180, 42788, 46398, 53485, 61930, 62493, 64182, 74316, 77330, 83324, 92796, 92895, 104155, 106970, 115995, 117667, 123860, 124986, 128364, 154660, 160455, 185790, 208310, 213940, 229141, 231990, 235334, 249972, 312465, 320910, 353001, 371580, 395789, 416620, 458282, 463980, 470668, 588335, 624930, 641820, 687423, 706002, 791578, 916564, 1145705, 1176670, 1187367, 1249860, 1374846, 1412004, 1583156, 1765005, 1978945, 2291410, 2353340, 2374734, 2749692, 3437115, 3530010, 3957890, 4353679, 4582820, 4749468, 5936835, 6874230, 7060020, 7915780, 8707358, 11873670, 13061037, 13748460, 17414716, 21768395, 23747340, 26122074, 43536790, 52244148, 65305185, 87073580, 130610370, 261220740]

約数ペア:

[(1, 261220740), (2, 130610370), (3, 87073580), (4, 65305185), (5, 52244148), (6, 43536790), (10, 26122074), (11, 23747340), (12, 21768395), (15, 17414716), (19, 13748460), (20, 13061037), (22, 11873670), (30, 8707358), (33, 7915780), (37, 7060020), (38, 6874230), (44, 5936835), (55, 4749468), (57, 4582820), (60, 4353679), (66, 3957890), (74, 3530010), (76, 3437115), (95, 2749692), (110, 2374734), (111, 2353340), (114, 2291410), (132, 1978945), (148, 1765005), (165, 1583156), (185, 1412004), (190, 1374846), (209, 1249860), (220, 1187367), (222, 1176670), (228, 1145705), (285, 916564), (330, 791578), (370, 706002), (380, 687423), (407, 641820), (418, 624930), (444, 588335), (555, 470668), (563, 463980), (570, 458282), (627, 416620), (660, 395789), (703, 371580), (740, 353001), (814, 320910), (836, 312465), (1045, 249972), (1110, 235334), (1126, 231990), (1140, 229141), (1221, 213940), (1254, 208310), (1406, 185790), (1628, 160455), (1689, 154660), (2035, 128364), (2090, 124986), (2109, 123860), (2220, 117667), (2252, 115995), (2442, 106970), (2508, 104155), (2812, 92895), (2815, 92796), (3135, 83324), (3378, 77330), (3515, 74316), (4070, 64182), (4180, 62493), (4218, 61930), (4884, 53485), (5630, 46398), (6105, 42788), (6193, 42180), (6270, 41662), (6756, 38665), (7030, 37158), (7733, 33780), (8140, 32091), (8436, 30965), (8445, 30932), (10545, 24772), (10697, 24420), (11260, 23199), (12210, 21394), (12386, 21090), (12540, 20831), (14060, 18579), (15466, 16890)]