720879900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 2425344768

約数和(自身を除く): 1704464868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 83, 85, 100, 102, 130, 131, 150, 156, 166, 170, 195, 204, 221, 249, 255, 260, 262, 300, 325, 332, 340, 390, 393, 415, 425, 442, 498, 510, 524, 650, 655, 663, 780, 786, 830, 850, 884, 975, 996, 1020, 1079, 1105, 1245, 1275, 1300, 1310, 1326, 1411, 1572, 1660, 1700, 1703, 1950, 1965, 2075, 2158, 2210, 2227, 2490, 2550, 2620, 2652, 2822, 3237, 3275, 3315, 3406, 3900, 3930, 4150, 4233, 4316, 4420, 4454, 4980, 5100, 5109, 5395, 5525, 5644, 6225, 6474, 6550, 6630, 6681, 6812, 7055, 7860, 8300, 8466, 8515, 8908, 9825, 10218, 10790, 10873, 11050, 11135, 12450, 12948, 13100, 13260, 13362, 14110, 16185, 16575, 16932, 17030, 18343, 19650, 20436, 21165, 21580, 21746, 22100, 22270, 24900, 25545, 26724, 26975, 28220, 28951, 32370, 32619, 33150, 33405, 34060, 35275, 36686, 39300, 42330, 42575, 43492, 44540, 51090, 53950, 54365, 55029, 55675, 57902, 64740, 65238, 66300, 66810, 70550, 73372, 80925, 84660, 85150, 86853, 91715, 102180, 105825, 107900, 108730, 110058, 111350, 115804, 127725, 130476, 133620, 141100, 141349, 144755, 161850, 163095, 167025, 170300, 173706, 183430, 184841, 211650, 217460, 220116, 222700, 255450, 271825, 275145, 282698, 289510, 323700, 326190, 334050, 347412, 366860, 369682, 423300, 424047, 434265, 458575, 510900, 543650, 550290, 554523, 565396, 579020, 652380, 668100, 706745, 723775, 739364, 815475, 848094, 868530, 917150, 924205, 1087300, 1100580, 1109046, 1375725, 1413490, 1447550, 1630950, 1696188, 1737060, 1834300, 1848410, 2120235, 2171325, 2218092, 2402933, 2751450, 2772615, 2826980, 2895100, 3261900, 3533725, 3696820, 4240470, 4342650, 4621025, 4805866, 5502900, 5545230, 7067450, 7208799, 8480940, 8685300, 9242050, 9611732, 10601175, 11090460, 12014665, 13863075, 14134900, 14417598, 18484100, 21202350, 24029330, 27726150, 28835196, 36043995, 42404700, 48058660, 55452300, 60073325, 72087990, 120146650, 144175980, 180219975, 240293300, 360439950, 720879900]

約数ペア:

[(1, 720879900), (2, 360439950), (3, 240293300), (4, 180219975), (5, 144175980), (6, 120146650), (10, 72087990), (12, 60073325), (13, 55452300), (15, 48058660), (17, 42404700), (20, 36043995), (25, 28835196), (26, 27726150), (30, 24029330), (34, 21202350), (39, 18484100), (50, 14417598), (51, 14134900), (52, 13863075), (60, 12014665), (65, 11090460), (68, 10601175), (75, 9611732), (78, 9242050), (83, 8685300), (85, 8480940), (100, 7208799), (102, 7067450), (130, 5545230), (131, 5502900), (150, 4805866), (156, 4621025), (166, 4342650), (170, 4240470), (195, 3696820), (204, 3533725), (221, 3261900), (249, 2895100), (255, 2826980), (260, 2772615), (262, 2751450), (300, 2402933), (325, 2218092), (332, 2171325), (340, 2120235), (390, 1848410), (393, 1834300), (415, 1737060), (425, 1696188), (442, 1630950), (498, 1447550), (510, 1413490), (524, 1375725), (650, 1109046), (655, 1100580), (663, 1087300), (780, 924205), (786, 917150), (830, 868530), (850, 848094), (884, 815475), (975, 739364), (996, 723775), (1020, 706745), (1079, 668100), (1105, 652380), (1245, 579020), (1275, 565396), (1300, 554523), (1310, 550290), (1326, 543650), (1411, 510900), (1572, 458575), (1660, 434265), (1700, 424047), (1703, 423300), (1950, 369682), (1965, 366860), (2075, 347412), (2158, 334050), (2210, 326190), (2227, 323700), (2490, 289510), (2550, 282698), (2620, 275145), (2652, 271825), (2822, 255450), (3237, 222700), (3275, 220116), (3315, 217460), (3406, 211650), (3900, 184841), (3930, 183430), (4150, 173706), (4233, 170300), (4316, 167025), (4420, 163095), (4454, 161850), (4980, 144755), (5100, 141349), (5109, 141100), (5395, 133620), (5525, 130476), (5644, 127725), (6225, 115804), (6474, 111350), (6550, 110058), (6630, 108730), (6681, 107900), (6812, 105825), (7055, 102180), (7860, 91715), (8300, 86853), (8466, 85150), (8515, 84660), (8908, 80925), (9825, 73372), (10218, 70550), (10790, 66810), (10873, 66300), (11050, 65238), (11135, 64740), (12450, 57902), (12948, 55675), (13100, 55029), (13260, 54365), (13362, 53950), (14110, 51090), (16185, 44540), (16575, 43492), (16932, 42575), (17030, 42330), (18343, 39300), (19650, 36686), (20436, 35275), (21165, 34060), (21580, 33405), (21746, 33150), (22100, 32619), (22270, 32370), (24900, 28951), (25545, 28220), (26724, 26975)]