79121700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 216

約数和(自身を含む): 298800320

約数和(自身を除く): 219678620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 266, 285, 300, 315, 342, 350, 380, 399, 420, 450, 475, 525, 532, 570, 630, 661, 665, 684, 700, 798, 855, 900, 950, 1050, 1140, 1197, 1260, 1322, 1330, 1425, 1575, 1596, 1710, 1900, 1983, 1995, 2100, 2394, 2644, 2660, 2850, 3150, 3305, 3325, 3420, 3966, 3990, 4275, 4627, 4788, 5700, 5949, 5985, 6300, 6610, 6650, 7932, 7980, 8550, 9254, 9915, 9975, 11898, 11970, 12559, 13220, 13300, 13881, 16525, 17100, 18508, 19830, 19950, 23135, 23796, 23940, 25118, 27762, 29745, 29925, 33050, 37677, 39660, 39900, 41643, 46270, 49575, 50236, 55524, 59490, 59850, 62795, 66100, 69405, 75354, 83286, 87913, 92540, 99150, 113031, 115675, 118980, 119700, 125590, 138810, 148725, 150708, 166572, 175826, 188385, 198300, 208215, 226062, 231350, 251180, 263739, 277620, 297450, 313975, 347025, 351652, 376770, 416430, 439565, 452124, 462700, 527478, 565155, 594900, 627950, 694050, 753540, 791217, 832860, 879130, 941925, 1041075, 1054956, 1130310, 1255900, 1318695, 1388100, 1582434, 1758260, 1883850, 2082150, 2197825, 2260620, 2637390, 2825775, 3164868, 3767700, 3956085, 4164300, 4395650, 5274780, 5651550, 6593475, 7912170, 8791300, 11303100, 13186950, 15824340, 19780425, 26373900, 39560850, 79121700]

約数ペア:

[(1, 79121700), (2, 39560850), (3, 26373900), (4, 19780425), (5, 15824340), (6, 13186950), (7, 11303100), (9, 8791300), (10, 7912170), (12, 6593475), (14, 5651550), (15, 5274780), (18, 4395650), (19, 4164300), (20, 3956085), (21, 3767700), (25, 3164868), (28, 2825775), (30, 2637390), (35, 2260620), (36, 2197825), (38, 2082150), (42, 1883850), (45, 1758260), (50, 1582434), (57, 1388100), (60, 1318695), (63, 1255900), (70, 1130310), (75, 1054956), (76, 1041075), (84, 941925), (90, 879130), (95, 832860), (100, 791217), (105, 753540), (114, 694050), (126, 627950), (133, 594900), (140, 565155), (150, 527478), (171, 462700), (175, 452124), (180, 439565), (190, 416430), (210, 376770), (225, 351652), (228, 347025), (252, 313975), (266, 297450), (285, 277620), (300, 263739), (315, 251180), (342, 231350), (350, 226062), (380, 208215), (399, 198300), (420, 188385), (450, 175826), (475, 166572), (525, 150708), (532, 148725), (570, 138810), (630, 125590), (661, 119700), (665, 118980), (684, 115675), (700, 113031), (798, 99150), (855, 92540), (900, 87913), (950, 83286), (1050, 75354), (1140, 69405), (1197, 66100), (1260, 62795), (1322, 59850), (1330, 59490), (1425, 55524), (1575, 50236), (1596, 49575), (1710, 46270), (1900, 41643), (1983, 39900), (1995, 39660), (2100, 37677), (2394, 33050), (2644, 29925), (2660, 29745), (2850, 27762), (3150, 25118), (3305, 23940), (3325, 23796), (3420, 23135), (3966, 19950), (3990, 19830), (4275, 18508), (4627, 17100), (4788, 16525), (5700, 13881), (5949, 13300), (5985, 13220), (6300, 12559), (6610, 11970), (6650, 11898), (7932, 9975), (7980, 9915), (8550, 9254)]