77876820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3294

約数の個数: 144

約数和(自身を含む): 284269440

約数和(自身を除く): 206392620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3253, 3420, 3990, 4788, 5985, 6506, 7980, 9759, 11970, 13012, 16265, 19518, 22771, 23940, 29277, 32530, 39036, 45542, 48795, 58554, 61807, 65060, 68313, 91084, 97590, 113855, 117108, 123614, 136626, 146385, 185421, 195180, 204939, 227710, 247228, 273252, 292770, 309035, 341565, 370842, 409878, 432649, 455420, 556263, 585540, 618070, 683130, 741684, 819756, 865298, 927105, 1024695, 1112526, 1236140, 1297947, 1366260, 1730596, 1854210, 2049390, 2163245, 2225052, 2595894, 2781315, 3708420, 3893841, 4098780, 4326490, 5191788, 5562630, 6489735, 7787682, 8652980, 11125260, 12979470, 15575364, 19469205, 25958940, 38938410, 77876820]

約数ペア:

[(1, 77876820), (2, 38938410), (3, 25958940), (4, 19469205), (5, 15575364), (6, 12979470), (7, 11125260), (9, 8652980), (10, 7787682), (12, 6489735), (14, 5562630), (15, 5191788), (18, 4326490), (19, 4098780), (20, 3893841), (21, 3708420), (28, 2781315), (30, 2595894), (35, 2225052), (36, 2163245), (38, 2049390), (42, 1854210), (45, 1730596), (57, 1366260), (60, 1297947), (63, 1236140), (70, 1112526), (76, 1024695), (84, 927105), (90, 865298), (95, 819756), (105, 741684), (114, 683130), (126, 618070), (133, 585540), (140, 556263), (171, 455420), (180, 432649), (190, 409878), (210, 370842), (228, 341565), (252, 309035), (266, 292770), (285, 273252), (315, 247228), (342, 227710), (380, 204939), (399, 195180), (420, 185421), (532, 146385), (570, 136626), (630, 123614), (665, 117108), (684, 113855), (798, 97590), (855, 91084), (1140, 68313), (1197, 65060), (1260, 61807), (1330, 58554), (1596, 48795), (1710, 45542), (1995, 39036), (2394, 32530), (2660, 29277), (3253, 23940), (3420, 22771), (3990, 19518), (4788, 16265), (5985, 13012), (6506, 11970), (7980, 9759)]