640618800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 240

約数和(自身を含む): 2130006528

約数和(自身を除く): 1489387728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 71, 73, 75, 80, 100, 103, 120, 142, 146, 150, 200, 206, 213, 219, 240, 284, 292, 300, 309, 355, 365, 400, 412, 426, 438, 515, 568, 584, 600, 618, 710, 730, 824, 852, 876, 1030, 1065, 1095, 1136, 1168, 1200, 1236, 1420, 1460, 1545, 1648, 1704, 1752, 1775, 1825, 2060, 2130, 2190, 2472, 2575, 2840, 2920, 3090, 3408, 3504, 3550, 3650, 4120, 4260, 4380, 4944, 5150, 5183, 5325, 5475, 5680, 5840, 6180, 7100, 7300, 7313, 7519, 7725, 8240, 8520, 8760, 10300, 10366, 10650, 10950, 12360, 14200, 14600, 14626, 15038, 15450, 15549, 17040, 17520, 20600, 20732, 21300, 21900, 21939, 22557, 24720, 25915, 28400, 29200, 29252, 30076, 30900, 31098, 36565, 37595, 41200, 41464, 42600, 43800, 43878, 45114, 51830, 58504, 60152, 61800, 62196, 73130, 75190, 77745, 82928, 85200, 87600, 87756, 90228, 103660, 109695, 112785, 117008, 120304, 123600, 124392, 129575, 146260, 150380, 155490, 175512, 180456, 182825, 187975, 207320, 219390, 225570, 248784, 259150, 292520, 300760, 310980, 351024, 360912, 365650, 375950, 388725, 414640, 438780, 451140, 518300, 533849, 548475, 563925, 585040, 601520, 621960, 731300, 751900, 777450, 877560, 902280, 1036600, 1067698, 1096950, 1127850, 1243920, 1462600, 1503800, 1554900, 1601547, 1755120, 1804560, 2073200, 2135396, 2193900, 2255700, 2669245, 2925200, 3007600, 3109800, 3203094, 4270792, 4387800, 4511400, 5338490, 6219600, 6406188, 8007735, 8541584, 8775600, 9022800, 10676980, 12812376, 13346225, 16015470, 21353960, 25624752, 26692450, 32030940, 40038675, 42707920, 53384900, 64061880, 80077350, 106769800, 128123760, 160154700, 213539600, 320309400, 640618800]

約数ペア:

[(1, 640618800), (2, 320309400), (3, 213539600), (4, 160154700), (5, 128123760), (6, 106769800), (8, 80077350), (10, 64061880), (12, 53384900), (15, 42707920), (16, 40038675), (20, 32030940), (24, 26692450), (25, 25624752), (30, 21353960), (40, 16015470), (48, 13346225), (50, 12812376), (60, 10676980), (71, 9022800), (73, 8775600), (75, 8541584), (80, 8007735), (100, 6406188), (103, 6219600), (120, 5338490), (142, 4511400), (146, 4387800), (150, 4270792), (200, 3203094), (206, 3109800), (213, 3007600), (219, 2925200), (240, 2669245), (284, 2255700), (292, 2193900), (300, 2135396), (309, 2073200), (355, 1804560), (365, 1755120), (400, 1601547), (412, 1554900), (426, 1503800), (438, 1462600), (515, 1243920), (568, 1127850), (584, 1096950), (600, 1067698), (618, 1036600), (710, 902280), (730, 877560), (824, 777450), (852, 751900), (876, 731300), (1030, 621960), (1065, 601520), (1095, 585040), (1136, 563925), (1168, 548475), (1200, 533849), (1236, 518300), (1420, 451140), (1460, 438780), (1545, 414640), (1648, 388725), (1704, 375950), (1752, 365650), (1775, 360912), (1825, 351024), (2060, 310980), (2130, 300760), (2190, 292520), (2472, 259150), (2575, 248784), (2840, 225570), (2920, 219390), (3090, 207320), (3408, 187975), (3504, 182825), (3550, 180456), (3650, 175512), (4120, 155490), (4260, 150380), (4380, 146260), (4944, 129575), (5150, 124392), (5183, 123600), (5325, 120304), (5475, 117008), (5680, 112785), (5840, 109695), (6180, 103660), (7100, 90228), (7300, 87756), (7313, 87600), (7519, 85200), (7725, 82928), (8240, 77745), (8520, 75190), (8760, 73130), (10300, 62196), (10366, 61800), (10650, 60152), (10950, 58504), (12360, 51830), (14200, 45114), (14600, 43878), (14626, 43800), (15038, 42600), (15450, 41464), (15549, 41200), (17040, 37595), (17520, 36565), (20600, 31098), (20732, 30900), (21300, 30076), (21900, 29252), (21939, 29200), (22557, 28400), (24720, 25915)]