488351640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 1792914480

約数和(自身を除く): 1304562840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 157, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 314, 322, 345, 392, 420, 460, 471, 483, 490, 529, 552, 588, 628, 644, 690, 735, 785, 805, 840, 920, 942, 966, 980, 1058, 1099, 1127, 1176, 1256, 1288, 1380, 1470, 1570, 1587, 1610, 1884, 1932, 1960, 2116, 2198, 2254, 2355, 2415, 2645, 2760, 2940, 3140, 3174, 3220, 3297, 3381, 3611, 3703, 3768, 3864, 4232, 4396, 4508, 4710, 4830, 5290, 5495, 5635, 5880, 6280, 6348, 6440, 6594, 6762, 7222, 7406, 7693, 7935, 8792, 9016, 9420, 9660, 10580, 10833, 10990, 11109, 11270, 12696, 13188, 13524, 14444, 14812, 15386, 15870, 16485, 16905, 18055, 18515, 18840, 19320, 21160, 21666, 21980, 22218, 22540, 23079, 25277, 25921, 26376, 27048, 28888, 29624, 30772, 31740, 32970, 33810, 36110, 37030, 38465, 43332, 43960, 44436, 45080, 46158, 50554, 51842, 54165, 55545, 61544, 63480, 65940, 67620, 72220, 74060, 75831, 76930, 77763, 83053, 86664, 88872, 92316, 101108, 103684, 108330, 111090, 115395, 126385, 129605, 131880, 135240, 144440, 148120, 151662, 153860, 155526, 166106, 176939, 184632, 202216, 207368, 216660, 222180, 230790, 249159, 252770, 259210, 303324, 307720, 311052, 332212, 353878, 379155, 388815, 415265, 433320, 444360, 461580, 498318, 505540, 518420, 530817, 581371, 606648, 622104, 664424, 707756, 758310, 777630, 830530, 884695, 923160, 996636, 1011080, 1036840, 1061634, 1162742, 1245795, 1415512, 1516620, 1555260, 1661060, 1744113, 1769390, 1993272, 2123268, 2325484, 2491590, 2654085, 2906855, 3033240, 3110520, 3322120, 3488226, 3538780, 4069597, 4246536, 4650968, 4983180, 5308170, 5813710, 6976452, 7077560, 8139194, 8720565, 9966360, 10616340, 11627420, 12208791, 13952904, 16278388, 17441130, 20347985, 21232680, 23254840, 24417582, 32556776, 34882260, 40695970, 48835164, 61043955, 69764520, 81391940, 97670328, 122087910, 162783880, 244175820, 488351640]

約数ペア:

[(1, 488351640), (2, 244175820), (3, 162783880), (4, 122087910), (5, 97670328), (6, 81391940), (7, 69764520), (8, 61043955), (10, 48835164), (12, 40695970), (14, 34882260), (15, 32556776), (20, 24417582), (21, 23254840), (23, 21232680), (24, 20347985), (28, 17441130), (30, 16278388), (35, 13952904), (40, 12208791), (42, 11627420), (46, 10616340), (49, 9966360), (56, 8720565), (60, 8139194), (69, 7077560), (70, 6976452), (84, 5813710), (92, 5308170), (98, 4983180), (105, 4650968), (115, 4246536), (120, 4069597), (138, 3538780), (140, 3488226), (147, 3322120), (157, 3110520), (161, 3033240), (168, 2906855), (184, 2654085), (196, 2491590), (210, 2325484), (230, 2123268), (245, 1993272), (276, 1769390), (280, 1744113), (294, 1661060), (314, 1555260), (322, 1516620), (345, 1415512), (392, 1245795), (420, 1162742), (460, 1061634), (471, 1036840), (483, 1011080), (490, 996636), (529, 923160), (552, 884695), (588, 830530), (628, 777630), (644, 758310), (690, 707756), (735, 664424), (785, 622104), (805, 606648), (840, 581371), (920, 530817), (942, 518420), (966, 505540), (980, 498318), (1058, 461580), (1099, 444360), (1127, 433320), (1176, 415265), (1256, 388815), (1288, 379155), (1380, 353878), (1470, 332212), (1570, 311052), (1587, 307720), (1610, 303324), (1884, 259210), (1932, 252770), (1960, 249159), (2116, 230790), (2198, 222180), (2254, 216660), (2355, 207368), (2415, 202216), (2645, 184632), (2760, 176939), (2940, 166106), (3140, 155526), (3174, 153860), (3220, 151662), (3297, 148120), (3381, 144440), (3611, 135240), (3703, 131880), (3768, 129605), (3864, 126385), (4232, 115395), (4396, 111090), (4508, 108330), (4710, 103684), (4830, 101108), (5290, 92316), (5495, 88872), (5635, 86664), (5880, 83053), (6280, 77763), (6348, 76930), (6440, 75831), (6594, 74060), (6762, 72220), (7222, 67620), (7406, 65940), (7693, 63480), (7935, 61544), (8792, 55545), (9016, 54165), (9420, 51842), (9660, 50554), (10580, 46158), (10833, 45080), (10990, 44436), (11109, 43960), (11270, 43332), (12696, 38465), (13188, 37030), (13524, 36110), (14444, 33810), (14812, 32970), (15386, 31740), (15870, 30772), (16485, 29624), (16905, 28888), (18055, 27048), (18515, 26376), (18840, 25921), (19320, 25277), (21160, 23079), (21666, 22540), (21980, 22218)]