1815623280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132721}}^1$

素因数の和:132759

約数の個数: 120

約数和(自身を含む): 6418435920

約数和(自身を除く): 4602812640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 132721, 265442, 398163, 530884, 663605, 796326, 1061768, 1194489, 1327210, 1592652, 1990815, 2123536, 2388978, 2521699, 2654420, 3185304, 3981630, 4777956, 5043398, 5308840, 5972445, 6370608, 7565097, 7963260, 9555912, 10086796, 10617680, 11944890, 12608495, 15130194, 15926520, 19111824, 20173592, 22695291, 23889780, 25216990, 30260388, 31853040, 37825485, 40347184, 45390582, 47779560, 50433980, 60520776, 75650970, 90781164, 95559120, 100867960, 113476455, 121041552, 151301940, 181562328, 201735920, 226952910, 302603880, 363124656, 453905820, 605207760, 907811640, 1815623280]

約数ペア:

[(1, 1815623280), (2, 907811640), (3, 605207760), (4, 453905820), (5, 363124656), (6, 302603880), (8, 226952910), (9, 201735920), (10, 181562328), (12, 151301940), (15, 121041552), (16, 113476455), (18, 100867960), (19, 95559120), (20, 90781164), (24, 75650970), (30, 60520776), (36, 50433980), (38, 47779560), (40, 45390582), (45, 40347184), (48, 37825485), (57, 31853040), (60, 30260388), (72, 25216990), (76, 23889780), (80, 22695291), (90, 20173592), (95, 19111824), (114, 15926520), (120, 15130194), (144, 12608495), (152, 11944890), (171, 10617680), (180, 10086796), (190, 9555912), (228, 7963260), (240, 7565097), (285, 6370608), (304, 5972445), (342, 5308840), (360, 5043398), (380, 4777956), (456, 3981630), (570, 3185304), (684, 2654420), (720, 2521699), (760, 2388978), (855, 2123536), (912, 1990815), (1140, 1592652), (1368, 1327210), (1520, 1194489), (1710, 1061768), (2280, 796326), (2736, 663605), (3420, 530884), (4560, 398163), (6840, 265442), (13680, 132721)]