1998432360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:920

約数の個数: 192

約数和(自身を含む): 6737103360

約数和(自身を除く): 4738671000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 331, 360, 372, 465, 541, 558, 620, 662, 744, 930, 993, 1082, 1116, 1240, 1324, 1395, 1623, 1655, 1860, 1986, 2164, 2232, 2648, 2705, 2790, 2979, 3246, 3310, 3720, 3972, 4328, 4869, 4965, 5410, 5580, 5958, 6492, 6620, 7944, 8115, 9738, 9930, 10261, 10820, 11160, 11916, 12984, 13240, 14895, 16230, 16771, 19476, 19860, 20522, 21640, 23832, 24345, 29790, 30783, 32460, 33542, 38952, 39720, 41044, 48690, 50313, 51305, 59580, 61566, 64920, 67084, 82088, 83855, 92349, 97380, 100626, 102610, 119160, 123132, 134168, 150939, 153915, 167710, 179071, 184698, 194760, 201252, 205220, 246264, 251565, 301878, 307830, 335420, 358142, 369396, 402504, 410440, 461745, 503130, 537213, 603756, 615660, 670840, 716284, 738792, 754695, 895355, 923490, 1006260, 1074426, 1207512, 1231320, 1432568, 1509390, 1611639, 1790710, 1846980, 2012520, 2148852, 2686065, 3018780, 3223278, 3581420, 3693960, 4297704, 5372130, 5551201, 6037560, 6446556, 7162840, 8058195, 10744260, 11102402, 12893112, 16116390, 16653603, 21488520, 22204804, 27756005, 32232780, 33307206, 44409608, 49960809, 55512010, 64465560, 66614412, 83268015, 99921618, 111024020, 133228824, 166536030, 199843236, 222048040, 249804045, 333072060, 399686472, 499608090, 666144120, 999216180, 1998432360]

約数ペア:

[(1, 1998432360), (2, 999216180), (3, 666144120), (4, 499608090), (5, 399686472), (6, 333072060), (8, 249804045), (9, 222048040), (10, 199843236), (12, 166536030), (15, 133228824), (18, 111024020), (20, 99921618), (24, 83268015), (30, 66614412), (31, 64465560), (36, 55512010), (40, 49960809), (45, 44409608), (60, 33307206), (62, 32232780), (72, 27756005), (90, 22204804), (93, 21488520), (120, 16653603), (124, 16116390), (155, 12893112), (180, 11102402), (186, 10744260), (248, 8058195), (279, 7162840), (310, 6446556), (331, 6037560), (360, 5551201), (372, 5372130), (465, 4297704), (541, 3693960), (558, 3581420), (620, 3223278), (662, 3018780), (744, 2686065), (930, 2148852), (993, 2012520), (1082, 1846980), (1116, 1790710), (1240, 1611639), (1324, 1509390), (1395, 1432568), (1623, 1231320), (1655, 1207512), (1860, 1074426), (1986, 1006260), (2164, 923490), (2232, 895355), (2648, 754695), (2705, 738792), (2790, 716284), (2979, 670840), (3246, 615660), (3310, 603756), (3720, 537213), (3972, 503130), (4328, 461745), (4869, 410440), (4965, 402504), (5410, 369396), (5580, 358142), (5958, 335420), (6492, 307830), (6620, 301878), (7944, 251565), (8115, 246264), (9738, 205220), (9930, 201252), (10261, 194760), (10820, 184698), (11160, 179071), (11916, 167710), (12984, 153915), (13240, 150939), (14895, 134168), (16230, 123132), (16771, 119160), (19476, 102610), (19860, 100626), (20522, 97380), (21640, 92349), (23832, 83855), (24345, 82088), (29790, 67084), (30783, 64920), (32460, 61566), (33542, 59580), (38952, 51305), (39720, 50313), (41044, 48690)]