490608720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:650

約数の個数: 240

約数和(自身を含む): 1895092992

約数和(自身を除く): 1404484272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 311, 313, 315, 336, 360, 420, 504, 560, 622, 626, 630, 720, 840, 933, 939, 1008, 1244, 1252, 1260, 1555, 1565, 1680, 1866, 1878, 2177, 2191, 2488, 2504, 2520, 2799, 2817, 3110, 3130, 3732, 3756, 4354, 4382, 4665, 4695, 4976, 5008, 5040, 5598, 5634, 6220, 6260, 6531, 6573, 7464, 7512, 8708, 8764, 9330, 9390, 10885, 10955, 11196, 11268, 12440, 12520, 13062, 13146, 13995, 14085, 14928, 15024, 17416, 17528, 18660, 18780, 19593, 19719, 21770, 21910, 22392, 22536, 24880, 25040, 26124, 26292, 27990, 28170, 32655, 32865, 34832, 35056, 37320, 37560, 39186, 39438, 43540, 43820, 44784, 45072, 52248, 52584, 55980, 56340, 65310, 65730, 74640, 75120, 78372, 78876, 87080, 87640, 97343, 97965, 98595, 104496, 105168, 111960, 112680, 130620, 131460, 156744, 157752, 174160, 175280, 194686, 195930, 197190, 223920, 225360, 261240, 262920, 292029, 313488, 315504, 389372, 391860, 394380, 486715, 522480, 525840, 584058, 681401, 778744, 783720, 788760, 876087, 973430, 1168116, 1362802, 1460145, 1557488, 1567440, 1577520, 1752174, 1946860, 2044203, 2336232, 2725604, 2920290, 3407005, 3504348, 3893720, 4088406, 4380435, 4672464, 5451208, 5840580, 6132609, 6814010, 7008696, 7787440, 8176812, 8760870, 10221015, 10902416, 11681160, 12265218, 13628020, 14017392, 16353624, 17521740, 20442030, 23362320, 24530436, 27256040, 30663045, 32707248, 35043480, 40884060, 49060872, 54512080, 61326090, 70086960, 81768120, 98121744, 122652180, 163536240, 245304360, 490608720]

約数ペア:

[(1, 490608720), (2, 245304360), (3, 163536240), (4, 122652180), (5, 98121744), (6, 81768120), (7, 70086960), (8, 61326090), (9, 54512080), (10, 49060872), (12, 40884060), (14, 35043480), (15, 32707248), (16, 30663045), (18, 27256040), (20, 24530436), (21, 23362320), (24, 20442030), (28, 17521740), (30, 16353624), (35, 14017392), (36, 13628020), (40, 12265218), (42, 11681160), (45, 10902416), (48, 10221015), (56, 8760870), (60, 8176812), (63, 7787440), (70, 7008696), (72, 6814010), (80, 6132609), (84, 5840580), (90, 5451208), (105, 4672464), (112, 4380435), (120, 4088406), (126, 3893720), (140, 3504348), (144, 3407005), (168, 2920290), (180, 2725604), (210, 2336232), (240, 2044203), (252, 1946860), (280, 1752174), (311, 1577520), (313, 1567440), (315, 1557488), (336, 1460145), (360, 1362802), (420, 1168116), (504, 973430), (560, 876087), (622, 788760), (626, 783720), (630, 778744), (720, 681401), (840, 584058), (933, 525840), (939, 522480), (1008, 486715), (1244, 394380), (1252, 391860), (1260, 389372), (1555, 315504), (1565, 313488), (1680, 292029), (1866, 262920), (1878, 261240), (2177, 225360), (2191, 223920), (2488, 197190), (2504, 195930), (2520, 194686), (2799, 175280), (2817, 174160), (3110, 157752), (3130, 156744), (3732, 131460), (3756, 130620), (4354, 112680), (4382, 111960), (4665, 105168), (4695, 104496), (4976, 98595), (5008, 97965), (5040, 97343), (5598, 87640), (5634, 87080), (6220, 78876), (6260, 78372), (6531, 75120), (6573, 74640), (7464, 65730), (7512, 65310), (8708, 56340), (8764, 55980), (9330, 52584), (9390, 52248), (10885, 45072), (10955, 44784), (11196, 43820), (11268, 43540), (12440, 39438), (12520, 39186), (13062, 37560), (13146, 37320), (13995, 35056), (14085, 34832), (14928, 32865), (15024, 32655), (17416, 28170), (17528, 27990), (18660, 26292), (18780, 26124), (19593, 25040), (19719, 24880), (21770, 22536), (21910, 22392)]