641036760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1330

約数の個数: 256

約数和(自身を含む): 2419200000

約数和(自身を除く): 1778163240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 47, 52, 56, 60, 65, 70, 78, 84, 91, 94, 104, 105, 120, 130, 140, 141, 156, 168, 182, 188, 195, 210, 235, 260, 273, 280, 282, 312, 329, 364, 376, 390, 420, 455, 470, 520, 546, 564, 611, 658, 705, 728, 780, 840, 910, 940, 987, 1092, 1128, 1222, 1249, 1316, 1365, 1410, 1560, 1645, 1820, 1833, 1880, 1974, 2184, 2444, 2498, 2632, 2730, 2820, 3055, 3290, 3640, 3666, 3747, 3948, 4277, 4888, 4935, 4996, 5460, 5640, 6110, 6245, 6580, 7332, 7494, 7896, 8554, 8743, 9165, 9870, 9992, 10920, 12220, 12490, 12831, 13160, 14664, 14988, 16237, 17108, 17486, 18330, 18735, 19740, 21385, 24440, 24980, 25662, 26229, 29976, 32474, 34216, 34972, 36660, 37470, 39480, 42770, 43715, 48711, 49960, 51324, 52458, 58703, 64155, 64948, 69944, 73320, 74940, 81185, 85540, 87430, 97422, 102648, 104916, 113659, 117406, 128310, 129896, 131145, 149880, 162370, 171080, 174860, 176109, 194844, 209832, 227318, 234812, 243555, 256620, 262290, 293515, 324740, 340977, 349720, 352218, 389688, 410921, 454636, 469624, 487110, 513240, 524580, 568295, 587030, 649480, 681954, 704436, 763139, 821842, 880545, 909272, 974220, 1049160, 1136590, 1174060, 1232763, 1363908, 1408872, 1526278, 1643684, 1704885, 1761090, 1948440, 2054605, 2273180, 2289417, 2348120, 2465526, 2727816, 3052556, 3287368, 3409770, 3522180, 3815695, 4109210, 4546360, 4578834, 4931052, 5341973, 6105112, 6163815, 6819540, 7044360, 7631390, 8218420, 9157668, 9862104, 10683946, 11447085, 12327630, 13639080, 15262780, 16025919, 16436840, 18315336, 21367892, 22894170, 24655260, 26709865, 30525560, 32051838, 42735784, 45788340, 49310520, 53419730, 64103676, 80129595, 91576680, 106839460, 128207352, 160259190, 213678920, 320518380, 641036760]

約数ペア:

[(1, 641036760), (2, 320518380), (3, 213678920), (4, 160259190), (5, 128207352), (6, 106839460), (7, 91576680), (8, 80129595), (10, 64103676), (12, 53419730), (13, 49310520), (14, 45788340), (15, 42735784), (20, 32051838), (21, 30525560), (24, 26709865), (26, 24655260), (28, 22894170), (30, 21367892), (35, 18315336), (39, 16436840), (40, 16025919), (42, 15262780), (47, 13639080), (52, 12327630), (56, 11447085), (60, 10683946), (65, 9862104), (70, 9157668), (78, 8218420), (84, 7631390), (91, 7044360), (94, 6819540), (104, 6163815), (105, 6105112), (120, 5341973), (130, 4931052), (140, 4578834), (141, 4546360), (156, 4109210), (168, 3815695), (182, 3522180), (188, 3409770), (195, 3287368), (210, 3052556), (235, 2727816), (260, 2465526), (273, 2348120), (280, 2289417), (282, 2273180), (312, 2054605), (329, 1948440), (364, 1761090), (376, 1704885), (390, 1643684), (420, 1526278), (455, 1408872), (470, 1363908), (520, 1232763), (546, 1174060), (564, 1136590), (611, 1049160), (658, 974220), (705, 909272), (728, 880545), (780, 821842), (840, 763139), (910, 704436), (940, 681954), (987, 649480), (1092, 587030), (1128, 568295), (1222, 524580), (1249, 513240), (1316, 487110), (1365, 469624), (1410, 454636), (1560, 410921), (1645, 389688), (1820, 352218), (1833, 349720), (1880, 340977), (1974, 324740), (2184, 293515), (2444, 262290), (2498, 256620), (2632, 243555), (2730, 234812), (2820, 227318), (3055, 209832), (3290, 194844), (3640, 176109), (3666, 174860), (3747, 171080), (3948, 162370), (4277, 149880), (4888, 131145), (4935, 129896), (4996, 128310), (5460, 117406), (5640, 113659), (6110, 104916), (6245, 102648), (6580, 97422), (7332, 87430), (7494, 85540), (7896, 81185), (8554, 74940), (8743, 73320), (9165, 69944), (9870, 64948), (9992, 64155), (10920, 58703), (12220, 52458), (12490, 51324), (12831, 49960), (13160, 48711), (14664, 43715), (14988, 42770), (16237, 39480), (17108, 37470), (17486, 36660), (18330, 34972), (18735, 34216), (19740, 32474), (21385, 29976), (24440, 26229), (24980, 25662)]