1561229100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:274

約数の個数: 216

約数和(自身を含む): 5145625520

約数和(自身を除く): 3584396420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 73, 75, 89, 90, 100, 108, 135, 146, 150, 178, 180, 219, 225, 267, 270, 292, 300, 356, 365, 438, 445, 450, 534, 540, 657, 675, 730, 801, 876, 890, 900, 1068, 1095, 1314, 1335, 1350, 1460, 1602, 1780, 1825, 1971, 2190, 2225, 2403, 2628, 2670, 2700, 3204, 3285, 3650, 3942, 4005, 4380, 4450, 4806, 5340, 5475, 6497, 6570, 6675, 7300, 7884, 7921, 8010, 8900, 9612, 9855, 10950, 12015, 12994, 13140, 13350, 15842, 16020, 16425, 19491, 19710, 20025, 21900, 23763, 24030, 25988, 26700, 31684, 32485, 32850, 38982, 39420, 39605, 40050, 47526, 48060, 49275, 58473, 60075, 64970, 65700, 71289, 77964, 79210, 80100, 95052, 97455, 98550, 116946, 118815, 120150, 129940, 142578, 158420, 162425, 175419, 194910, 197100, 198025, 213867, 233892, 237630, 240300, 285156, 292365, 324850, 350838, 356445, 389820, 396050, 427734, 475260, 487275, 578233, 584730, 594075, 649700, 701676, 712890, 792100, 855468, 877095, 974550, 1069335, 1156466, 1169460, 1188150, 1425780, 1461825, 1734699, 1754190, 1782225, 1949100, 2138670, 2312932, 2376300, 2891165, 2923650, 3469398, 3508380, 3564450, 4277340, 4385475, 5204097, 5346675, 5782330, 5847300, 6938796, 7128900, 8673495, 8770950, 10408194, 10693350, 11564660, 14455825, 15612291, 17346990, 17541900, 20816388, 21386700, 26020485, 28911650, 31224582, 34693980, 43367475, 52040970, 57823300, 62449164, 78061455, 86734950, 104081940, 130102425, 156122910, 173469900, 260204850, 312245820, 390307275, 520409700, 780614550, 1561229100]

約数ペア:

[(1, 1561229100), (2, 780614550), (3, 520409700), (4, 390307275), (5, 312245820), (6, 260204850), (9, 173469900), (10, 156122910), (12, 130102425), (15, 104081940), (18, 86734950), (20, 78061455), (25, 62449164), (27, 57823300), (30, 52040970), (36, 43367475), (45, 34693980), (50, 31224582), (54, 28911650), (60, 26020485), (73, 21386700), (75, 20816388), (89, 17541900), (90, 17346990), (100, 15612291), (108, 14455825), (135, 11564660), (146, 10693350), (150, 10408194), (178, 8770950), (180, 8673495), (219, 7128900), (225, 6938796), (267, 5847300), (270, 5782330), (292, 5346675), (300, 5204097), (356, 4385475), (365, 4277340), (438, 3564450), (445, 3508380), (450, 3469398), (534, 2923650), (540, 2891165), (657, 2376300), (675, 2312932), (730, 2138670), (801, 1949100), (876, 1782225), (890, 1754190), (900, 1734699), (1068, 1461825), (1095, 1425780), (1314, 1188150), (1335, 1169460), (1350, 1156466), (1460, 1069335), (1602, 974550), (1780, 877095), (1825, 855468), (1971, 792100), (2190, 712890), (2225, 701676), (2403, 649700), (2628, 594075), (2670, 584730), (2700, 578233), (3204, 487275), (3285, 475260), (3650, 427734), (3942, 396050), (4005, 389820), (4380, 356445), (4450, 350838), (4806, 324850), (5340, 292365), (5475, 285156), (6497, 240300), (6570, 237630), (6675, 233892), (7300, 213867), (7884, 198025), (7921, 197100), (8010, 194910), (8900, 175419), (9612, 162425), (9855, 158420), (10950, 142578), (12015, 129940), (12994, 120150), (13140, 118815), (13350, 116946), (15842, 98550), (16020, 97455), (16425, 95052), (19491, 80100), (19710, 79210), (20025, 77964), (21900, 71289), (23763, 65700), (24030, 64970), (25988, 60075), (26700, 58473), (31684, 49275), (32485, 48060), (32850, 47526), (38982, 40050), (39420, 39605)]