78765960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7213}}^1$

素因数の和:7247

約数の個数: 128

約数和(自身を含む): 290868480

約数和(自身を除く): 212102520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7213, 10920, 14426, 21639, 28852, 36065, 43278, 50491, 57704, 72130, 86556, 93769, 100982, 108195, 144260, 151473, 173112, 187538, 201964, 216390, 252455, 281307, 288520, 302946, 375076, 403928, 432780, 468845, 504910, 562614, 605892, 656383, 750152, 757365, 865560, 937690, 1009820, 1125228, 1211784, 1312766, 1406535, 1514730, 1875380, 1969149, 2019640, 2250456, 2625532, 2813070, 3029460, 3281915, 3750760, 3938298, 5251064, 5626140, 6058920, 6563830, 7876596, 9845745, 11252280, 13127660, 15753192, 19691490, 26255320, 39382980, 78765960]

約数ペア:

[(1, 78765960), (2, 39382980), (3, 26255320), (4, 19691490), (5, 15753192), (6, 13127660), (7, 11252280), (8, 9845745), (10, 7876596), (12, 6563830), (13, 6058920), (14, 5626140), (15, 5251064), (20, 3938298), (21, 3750760), (24, 3281915), (26, 3029460), (28, 2813070), (30, 2625532), (35, 2250456), (39, 2019640), (40, 1969149), (42, 1875380), (52, 1514730), (56, 1406535), (60, 1312766), (65, 1211784), (70, 1125228), (78, 1009820), (84, 937690), (91, 865560), (104, 757365), (105, 750152), (120, 656383), (130, 605892), (140, 562614), (156, 504910), (168, 468845), (182, 432780), (195, 403928), (210, 375076), (260, 302946), (273, 288520), (280, 281307), (312, 252455), (364, 216390), (390, 201964), (420, 187538), (455, 173112), (520, 151473), (546, 144260), (728, 108195), (780, 100982), (840, 93769), (910, 86556), (1092, 72130), (1365, 57704), (1560, 50491), (1820, 43278), (2184, 36065), (2730, 28852), (3640, 21639), (5460, 14426), (7213, 10920)]