420305340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1617

約数の個数: 192

約数和(自身を含む): 1478937600

約数和(自身を除く): 1058632260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 780, 910, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1571, 1715, 1820, 1911, 2058, 2548, 2730, 2940, 3142, 3185, 3430, 3822, 4116, 4459, 4713, 5145, 5460, 6284, 6370, 6860, 7644, 7855, 8918, 9426, 9555, 10290, 10997, 12740, 13377, 15710, 17836, 18852, 19110, 20423, 20580, 21994, 22295, 23565, 26754, 31420, 32991, 38220, 40846, 43988, 44590, 47130, 53508, 54985, 61269, 65982, 66885, 76979, 81692, 89180, 94260, 102115, 109970, 122538, 131964, 133770, 142961, 153958, 164955, 204230, 219940, 230937, 245076, 267540, 285922, 306345, 307916, 329910, 384895, 408460, 428883, 461874, 538853, 571844, 612690, 659820, 714805, 769790, 857766, 923748, 1000727, 1077706, 1154685, 1225380, 1429610, 1539580, 1616559, 1715532, 2001454, 2144415, 2155412, 2309370, 2694265, 2859220, 3002181, 3233118, 4002908, 4288830, 4618740, 5003635, 5388530, 6004362, 6466236, 7005089, 8082795, 8577660, 10007270, 10777060, 12008724, 14010178, 15010905, 16165590, 20014540, 21015267, 28020356, 30021810, 32331180, 35025445, 42030534, 60043620, 70050890, 84061068, 105076335, 140101780, 210152670, 420305340]

約数ペア:

[(1, 420305340), (2, 210152670), (3, 140101780), (4, 105076335), (5, 84061068), (6, 70050890), (7, 60043620), (10, 42030534), (12, 35025445), (13, 32331180), (14, 30021810), (15, 28020356), (20, 21015267), (21, 20014540), (26, 16165590), (28, 15010905), (30, 14010178), (35, 12008724), (39, 10777060), (42, 10007270), (49, 8577660), (52, 8082795), (60, 7005089), (65, 6466236), (70, 6004362), (78, 5388530), (84, 5003635), (91, 4618740), (98, 4288830), (105, 4002908), (130, 3233118), (140, 3002181), (147, 2859220), (156, 2694265), (182, 2309370), (195, 2155412), (196, 2144415), (210, 2001454), (245, 1715532), (260, 1616559), (273, 1539580), (294, 1429610), (343, 1225380), (364, 1154685), (390, 1077706), (420, 1000727), (455, 923748), (490, 857766), (546, 769790), (588, 714805), (637, 659820), (686, 612690), (735, 571844), (780, 538853), (910, 461874), (980, 428883), (1029, 408460), (1092, 384895), (1274, 329910), (1365, 307916), (1372, 306345), (1470, 285922), (1571, 267540), (1715, 245076), (1820, 230937), (1911, 219940), (2058, 204230), (2548, 164955), (2730, 153958), (2940, 142961), (3142, 133770), (3185, 131964), (3430, 122538), (3822, 109970), (4116, 102115), (4459, 94260), (4713, 89180), (5145, 81692), (5460, 76979), (6284, 66885), (6370, 65982), (6860, 61269), (7644, 54985), (7855, 53508), (8918, 47130), (9426, 44590), (9555, 43988), (10290, 40846), (10997, 38220), (12740, 32991), (13377, 31420), (15710, 26754), (17836, 23565), (18852, 22295), (19110, 21994), (20423, 20580)]