18129978750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{371897}}^1$

素因数の和:371935

約数の個数: 80

約数和(自身を含む): 48795992784

約数和(自身を除く): 30666014034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 625, 650, 750, 975, 1250, 1625, 1875, 1950, 3250, 3750, 4875, 8125, 9750, 16250, 24375, 48750, 371897, 743794, 1115691, 1859485, 2231382, 3718970, 4834661, 5578455, 9297425, 9669322, 11156910, 14503983, 18594850, 24173305, 27892275, 29007966, 46487125, 48346610, 55784550, 72519915, 92974250, 120866525, 139461375, 145039830, 232435625, 241733050, 278922750, 362599575, 464871250, 604332625, 697306875, 725199150, 1208665250, 1394613750, 1812997875, 3021663125, 3625995750, 6043326250, 9064989375, 18129978750]

約数ペア:

[(1, 18129978750), (2, 9064989375), (3, 6043326250), (5, 3625995750), (6, 3021663125), (10, 1812997875), (13, 1394613750), (15, 1208665250), (25, 725199150), (26, 697306875), (30, 604332625), (39, 464871250), (50, 362599575), (65, 278922750), (75, 241733050), (78, 232435625), (125, 145039830), (130, 139461375), (150, 120866525), (195, 92974250), (250, 72519915), (325, 55784550), (375, 48346610), (390, 46487125), (625, 29007966), (650, 27892275), (750, 24173305), (975, 18594850), (1250, 14503983), (1625, 11156910), (1875, 9669322), (1950, 9297425), (3250, 5578455), (3750, 4834661), (4875, 3718970), (8125, 2231382), (9750, 1859485), (16250, 1115691), (24375, 743794), (48750, 371897)]