259870520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 774144000

約数和(自身を除く): 514273480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 47, 49, 52, 56, 62, 65, 70, 91, 94, 98, 104, 124, 130, 140, 155, 182, 188, 196, 217, 235, 245, 248, 260, 280, 310, 329, 343, 364, 376, 392, 403, 434, 455, 470, 490, 520, 611, 620, 637, 658, 686, 728, 806, 868, 910, 940, 980, 1085, 1222, 1240, 1274, 1316, 1372, 1457, 1519, 1612, 1645, 1715, 1736, 1820, 1880, 1960, 2015, 2170, 2303, 2444, 2548, 2632, 2744, 2821, 2914, 3038, 3055, 3185, 3224, 3290, 3430, 3640, 4030, 4277, 4340, 4459, 4606, 4888, 5096, 5642, 5828, 6076, 6110, 6370, 6580, 6860, 7285, 7595, 8060, 8554, 8680, 8918, 9212, 10199, 10633, 11284, 11515, 11656, 12152, 12220, 12740, 13160, 13720, 14105, 14570, 15190, 16120, 16121, 17108, 17836, 18424, 18941, 19747, 20398, 21266, 21385, 22295, 22568, 23030, 24440, 25480, 28210, 29140, 29939, 30380, 32242, 34216, 35672, 37882, 39494, 40796, 42532, 42770, 44590, 46060, 50995, 53165, 56420, 58280, 59878, 60760, 64484, 71393, 75764, 78988, 80605, 81592, 85064, 85540, 89180, 92120, 94705, 98735, 101990, 106330, 112840, 119756, 128968, 132587, 138229, 142786, 149695, 151528, 157976, 161210, 171080, 178360, 189410, 197470, 203980, 209573, 212660, 239512, 265174, 276458, 285572, 299390, 322420, 356965, 378820, 394940, 407960, 419146, 425320, 499751, 530348, 552916, 571144, 598780, 644840, 662935, 691145, 713930, 757640, 789880, 838292, 928109, 999502, 1047865, 1060696, 1105832, 1197560, 1325870, 1382290, 1427860, 1676584, 1856218, 1999004, 2095730, 2498755, 2651740, 2764580, 2855720, 3712436, 3998008, 4191460, 4640545, 4997510, 5303480, 5529160, 6496763, 7424872, 8382920, 9281090, 9995020, 12993526, 18562180, 19990040, 25987052, 32483815, 37124360, 51974104, 64967630, 129935260, 259870520]

約数ペア:

[(1, 259870520), (2, 129935260), (4, 64967630), (5, 51974104), (7, 37124360), (8, 32483815), (10, 25987052), (13, 19990040), (14, 18562180), (20, 12993526), (26, 9995020), (28, 9281090), (31, 8382920), (35, 7424872), (40, 6496763), (47, 5529160), (49, 5303480), (52, 4997510), (56, 4640545), (62, 4191460), (65, 3998008), (70, 3712436), (91, 2855720), (94, 2764580), (98, 2651740), (104, 2498755), (124, 2095730), (130, 1999004), (140, 1856218), (155, 1676584), (182, 1427860), (188, 1382290), (196, 1325870), (217, 1197560), (235, 1105832), (245, 1060696), (248, 1047865), (260, 999502), (280, 928109), (310, 838292), (329, 789880), (343, 757640), (364, 713930), (376, 691145), (392, 662935), (403, 644840), (434, 598780), (455, 571144), (470, 552916), (490, 530348), (520, 499751), (611, 425320), (620, 419146), (637, 407960), (658, 394940), (686, 378820), (728, 356965), (806, 322420), (868, 299390), (910, 285572), (940, 276458), (980, 265174), (1085, 239512), (1222, 212660), (1240, 209573), (1274, 203980), (1316, 197470), (1372, 189410), (1457, 178360), (1519, 171080), (1612, 161210), (1645, 157976), (1715, 151528), (1736, 149695), (1820, 142786), (1880, 138229), (1960, 132587), (2015, 128968), (2170, 119756), (2303, 112840), (2444, 106330), (2548, 101990), (2632, 98735), (2744, 94705), (2821, 92120), (2914, 89180), (3038, 85540), (3055, 85064), (3185, 81592), (3224, 80605), (3290, 78988), (3430, 75764), (3640, 71393), (4030, 64484), (4277, 60760), (4340, 59878), (4459, 58280), (4606, 56420), (4888, 53165), (5096, 50995), (5642, 46060), (5828, 44590), (6076, 42770), (6110, 42532), (6370, 40796), (6580, 39494), (6860, 37882), (7285, 35672), (7595, 34216), (8060, 32242), (8554, 30380), (8680, 29939), (8918, 29140), (9212, 28210), (10199, 25480), (10633, 24440), (11284, 23030), (11515, 22568), (11656, 22295), (12152, 21385), (12220, 21266), (12740, 20398), (13160, 19747), (13720, 18941), (14105, 18424), (14570, 17836), (15190, 17108), (16120, 16121)]