320752440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 256

約数和(自身を含む): 1119744000

約数和(自身を除く): 798991560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 71, 72, 89, 90, 94, 108, 120, 135, 141, 142, 178, 180, 188, 213, 216, 235, 267, 270, 282, 284, 355, 356, 360, 376, 423, 426, 445, 470, 534, 540, 564, 568, 639, 705, 710, 712, 801, 846, 852, 890, 940, 1065, 1068, 1080, 1128, 1269, 1278, 1335, 1410, 1420, 1602, 1692, 1704, 1780, 1880, 1917, 2115, 2130, 2136, 2403, 2538, 2556, 2670, 2820, 2840, 3195, 3204, 3337, 3384, 3560, 3834, 4005, 4183, 4230, 4260, 4806, 5076, 5112, 5340, 5640, 6319, 6345, 6390, 6408, 6674, 7668, 8010, 8366, 8460, 8520, 9585, 9612, 10011, 10152, 10680, 12015, 12549, 12638, 12690, 12780, 13348, 15336, 16020, 16685, 16732, 16920, 18957, 19170, 19224, 20022, 20915, 24030, 25098, 25276, 25380, 25560, 26696, 30033, 31595, 32040, 33370, 33464, 37647, 37914, 38340, 40044, 41830, 48060, 50055, 50196, 50552, 50760, 56871, 60066, 62745, 63190, 66740, 75294, 75828, 76680, 80088, 83660, 90099, 94785, 96120, 100110, 100392, 112941, 113742, 120132, 125490, 126380, 133480, 150165, 150588, 151656, 167320, 170613, 180198, 188235, 189570, 200220, 225882, 227484, 240264, 250980, 252760, 284355, 296993, 300330, 301176, 341226, 360396, 376470, 379140, 400440, 450495, 451764, 454968, 501960, 564705, 568710, 593986, 600660, 682452, 720792, 752940, 758280, 853065, 890979, 900990, 903528, 1129410, 1137420, 1187972, 1201320, 1364904, 1484965, 1505880, 1706130, 1781958, 1801980, 2258820, 2274840, 2375944, 2672937, 2969930, 3412260, 3563916, 3603960, 4454895, 4517640, 5345874, 5939860, 6824520, 7127832, 8018811, 8909790, 10691748, 11879720, 13364685, 16037622, 17819580, 21383496, 26729370, 32075244, 35639160, 40094055, 53458740, 64150488, 80188110, 106917480, 160376220, 320752440]

約数ペア:

[(1, 320752440), (2, 160376220), (3, 106917480), (4, 80188110), (5, 64150488), (6, 53458740), (8, 40094055), (9, 35639160), (10, 32075244), (12, 26729370), (15, 21383496), (18, 17819580), (20, 16037622), (24, 13364685), (27, 11879720), (30, 10691748), (36, 8909790), (40, 8018811), (45, 7127832), (47, 6824520), (54, 5939860), (60, 5345874), (71, 4517640), (72, 4454895), (89, 3603960), (90, 3563916), (94, 3412260), (108, 2969930), (120, 2672937), (135, 2375944), (141, 2274840), (142, 2258820), (178, 1801980), (180, 1781958), (188, 1706130), (213, 1505880), (216, 1484965), (235, 1364904), (267, 1201320), (270, 1187972), (282, 1137420), (284, 1129410), (355, 903528), (356, 900990), (360, 890979), (376, 853065), (423, 758280), (426, 752940), (445, 720792), (470, 682452), (534, 600660), (540, 593986), (564, 568710), (568, 564705), (639, 501960), (705, 454968), (710, 451764), (712, 450495), (801, 400440), (846, 379140), (852, 376470), (890, 360396), (940, 341226), (1065, 301176), (1068, 300330), (1080, 296993), (1128, 284355), (1269, 252760), (1278, 250980), (1335, 240264), (1410, 227484), (1420, 225882), (1602, 200220), (1692, 189570), (1704, 188235), (1780, 180198), (1880, 170613), (1917, 167320), (2115, 151656), (2130, 150588), (2136, 150165), (2403, 133480), (2538, 126380), (2556, 125490), (2670, 120132), (2820, 113742), (2840, 112941), (3195, 100392), (3204, 100110), (3337, 96120), (3384, 94785), (3560, 90099), (3834, 83660), (4005, 80088), (4183, 76680), (4230, 75828), (4260, 75294), (4806, 66740), (5076, 63190), (5112, 62745), (5340, 60066), (5640, 56871), (6319, 50760), (6345, 50552), (6390, 50196), (6408, 50055), (6674, 48060), (7668, 41830), (8010, 40044), (8366, 38340), (8460, 37914), (8520, 37647), (9585, 33464), (9612, 33370), (10011, 32040), (10152, 31595), (10680, 30033), (12015, 26696), (12549, 25560), (12638, 25380), (12690, 25276), (12780, 25098), (13348, 24030), (15336, 20915), (16020, 20022), (16685, 19224), (16732, 19170), (16920, 18957)]