770640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 120

約数和(自身を含む): 2723040

約数和(自身を除く): 1952400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 169, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 338, 380, 390, 456, 494, 507, 520, 570, 624, 676, 741, 760, 780, 845, 912, 988, 1014, 1040, 1140, 1235, 1352, 1482, 1520, 1560, 1690, 1976, 2028, 2280, 2470, 2535, 2704, 2964, 3120, 3211, 3380, 3705, 3952, 4056, 4560, 4940, 5070, 5928, 6422, 6760, 7410, 8112, 9633, 9880, 10140, 11856, 12844, 13520, 14820, 16055, 19266, 19760, 20280, 25688, 29640, 32110, 38532, 40560, 48165, 51376, 59280, 64220, 77064, 96330, 128440, 154128, 192660, 256880, 385320, 770640]

約数ペア:

[(1, 770640), (2, 385320), (3, 256880), (4, 192660), (5, 154128), (6, 128440), (8, 96330), (10, 77064), (12, 64220), (13, 59280), (15, 51376), (16, 48165), (19, 40560), (20, 38532), (24, 32110), (26, 29640), (30, 25688), (38, 20280), (39, 19760), (40, 19266), (48, 16055), (52, 14820), (57, 13520), (60, 12844), (65, 11856), (76, 10140), (78, 9880), (80, 9633), (95, 8112), (104, 7410), (114, 6760), (120, 6422), (130, 5928), (152, 5070), (156, 4940), (169, 4560), (190, 4056), (195, 3952), (208, 3705), (228, 3380), (240, 3211), (247, 3120), (260, 2964), (285, 2704), (304, 2535), (312, 2470), (338, 2280), (380, 2028), (390, 1976), (456, 1690), (494, 1560), (507, 1520), (520, 1482), (570, 1352), (624, 1235), (676, 1140), (741, 1040), (760, 1014), (780, 988), (845, 912)]