219939720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1876

約数の個数: 256

約数和(自身を含む): 886394880

約数和(自身を除く): 666455160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1831, 1848, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 3662, 4004, 4290, 4620, 5005, 5460, 5493, 5720, 6006, 7324, 8008, 8580, 9155, 9240, 10010, 10920, 10986, 12012, 12817, 14648, 15015, 17160, 18310, 20020, 20141, 21972, 23803, 24024, 25634, 27465, 30030, 36620, 38451, 40040, 40282, 43944, 47606, 51268, 54930, 60060, 60423, 64085, 71409, 73240, 76902, 80564, 95212, 100705, 102536, 109860, 119015, 120120, 120846, 128170, 140987, 142818, 153804, 161128, 166621, 190424, 192255, 201410, 219720, 238030, 241692, 256340, 261833, 281974, 285636, 302115, 307608, 333242, 357045, 384510, 402820, 422961, 476060, 483384, 499863, 512680, 523666, 563948, 571272, 604230, 666484, 704935, 714090, 769020, 785499, 805640, 833105, 845922, 952120, 999726, 1047332, 1127896, 1208460, 1309165, 1332968, 1409870, 1428180, 1538040, 1570998, 1666210, 1691844, 1832831, 1999452, 2094664, 2114805, 2416920, 2499315, 2618330, 2819740, 2856360, 3141996, 3332420, 3383688, 3665662, 3927495, 3998904, 4229610, 4998630, 5236660, 5498493, 5639480, 6283992, 6664840, 7331324, 7854990, 8459220, 9164155, 9997260, 10473320, 10996986, 14662648, 15709980, 16918440, 18328310, 19994520, 21993972, 27492465, 31419960, 36656620, 43987944, 54984930, 73313240, 109969860, 219939720]

約数ペア:

[(1, 219939720), (2, 109969860), (3, 73313240), (4, 54984930), (5, 43987944), (6, 36656620), (7, 31419960), (8, 27492465), (10, 21993972), (11, 19994520), (12, 18328310), (13, 16918440), (14, 15709980), (15, 14662648), (20, 10996986), (21, 10473320), (22, 9997260), (24, 9164155), (26, 8459220), (28, 7854990), (30, 7331324), (33, 6664840), (35, 6283992), (39, 5639480), (40, 5498493), (42, 5236660), (44, 4998630), (52, 4229610), (55, 3998904), (56, 3927495), (60, 3665662), (65, 3383688), (66, 3332420), (70, 3141996), (77, 2856360), (78, 2819740), (84, 2618330), (88, 2499315), (91, 2416920), (104, 2114805), (105, 2094664), (110, 1999452), (120, 1832831), (130, 1691844), (132, 1666210), (140, 1570998), (143, 1538040), (154, 1428180), (156, 1409870), (165, 1332968), (168, 1309165), (182, 1208460), (195, 1127896), (210, 1047332), (220, 999726), (231, 952120), (260, 845922), (264, 833105), (273, 805640), (280, 785499), (286, 769020), (308, 714090), (312, 704935), (330, 666484), (364, 604230), (385, 571272), (390, 563948), (420, 523666), (429, 512680), (440, 499863), (455, 483384), (462, 476060), (520, 422961), (546, 402820), (572, 384510), (616, 357045), (660, 333242), (715, 307608), (728, 302115), (770, 285636), (780, 281974), (840, 261833), (858, 256340), (910, 241692), (924, 238030), (1001, 219720), (1092, 201410), (1144, 192255), (1155, 190424), (1320, 166621), (1365, 161128), (1430, 153804), (1540, 142818), (1560, 140987), (1716, 128170), (1820, 120846), (1831, 120120), (1848, 119015), (2002, 109860), (2145, 102536), (2184, 100705), (2310, 95212), (2730, 80564), (2860, 76902), (3003, 73240), (3080, 71409), (3432, 64085), (3640, 60423), (3662, 60060), (4004, 54930), (4290, 51268), (4620, 47606), (5005, 43944), (5460, 40282), (5493, 40040), (5720, 38451), (6006, 36620), (7324, 30030), (8008, 27465), (8580, 25634), (9155, 24024), (9240, 23803), (10010, 21972), (10920, 20141), (10986, 20020), (12012, 18310), (12817, 17160), (14648, 15015)]