203465360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15797}}^1$

素因数の和:15840

約数の個数: 80

約数和(自身を含む): 564178176

約数和(自身を除く): 360712816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15797, 31594, 63188, 78985, 110579, 126376, 157970, 221158, 252752, 315940, 363331, 442316, 552895, 631880, 726662, 884632, 1105790, 1263760, 1453324, 1769264, 1816655, 2211580, 2543317, 2906648, 3633310, 4423160, 5086634, 5813296, 7266620, 8846320, 10173268, 12716585, 14533240, 20346536, 25433170, 29066480, 40693072, 50866340, 101732680, 203465360]

約数ペア:

[(1, 203465360), (2, 101732680), (4, 50866340), (5, 40693072), (7, 29066480), (8, 25433170), (10, 20346536), (14, 14533240), (16, 12716585), (20, 10173268), (23, 8846320), (28, 7266620), (35, 5813296), (40, 5086634), (46, 4423160), (56, 3633310), (70, 2906648), (80, 2543317), (92, 2211580), (112, 1816655), (115, 1769264), (140, 1453324), (161, 1263760), (184, 1105790), (230, 884632), (280, 726662), (322, 631880), (368, 552895), (460, 442316), (560, 363331), (644, 315940), (805, 252752), (920, 221158), (1288, 157970), (1610, 126376), (1840, 110579), (2576, 78985), (3220, 63188), (6440, 31594), (12880, 15797)]