1276207960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 3119731200

約数和(自身を除く): 1843523240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 71, 76, 95, 134, 142, 152, 190, 268, 284, 335, 353, 355, 380, 536, 568, 670, 706, 710, 760, 1273, 1340, 1349, 1412, 1420, 1765, 2546, 2680, 2698, 2824, 2840, 3530, 4757, 5092, 5396, 6365, 6707, 6745, 7060, 9514, 10184, 10792, 12730, 13414, 13490, 14120, 19028, 23651, 23785, 25063, 25460, 26828, 26980, 33535, 38056, 47302, 47570, 50126, 50920, 53656, 53960, 67070, 90383, 94604, 95140, 100252, 118255, 125315, 134140, 180766, 189208, 190280, 200504, 236510, 250630, 268280, 361532, 449369, 451915, 473020, 476197, 501260, 723064, 898738, 903830, 946040, 952394, 1002520, 1679221, 1797476, 1807660, 1904788, 2246845, 2380985, 3358442, 3594952, 3615320, 3809576, 4493690, 4761970, 6716884, 8396105, 8987380, 9523940, 13433768, 16792210, 17974760, 19047880, 31905199, 33584420, 63810398, 67168840, 127620796, 159525995, 255241592, 319051990, 638103980, 1276207960]

約数ペア:

[(1, 1276207960), (2, 638103980), (4, 319051990), (5, 255241592), (8, 159525995), (10, 127620796), (19, 67168840), (20, 63810398), (38, 33584420), (40, 31905199), (67, 19047880), (71, 17974760), (76, 16792210), (95, 13433768), (134, 9523940), (142, 8987380), (152, 8396105), (190, 6716884), (268, 4761970), (284, 4493690), (335, 3809576), (353, 3615320), (355, 3594952), (380, 3358442), (536, 2380985), (568, 2246845), (670, 1904788), (706, 1807660), (710, 1797476), (760, 1679221), (1273, 1002520), (1340, 952394), (1349, 946040), (1412, 903830), (1420, 898738), (1765, 723064), (2546, 501260), (2680, 476197), (2698, 473020), (2824, 451915), (2840, 449369), (3530, 361532), (4757, 268280), (5092, 250630), (5396, 236510), (6365, 200504), (6707, 190280), (6745, 189208), (7060, 180766), (9514, 134140), (10184, 125315), (10792, 118255), (12730, 100252), (13414, 95140), (13490, 94604), (14120, 90383), (19028, 67070), (23651, 53960), (23785, 53656), (25063, 50920), (25460, 50126), (26828, 47570), (26980, 47302), (33535, 38056)]