20157548040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{470531}}^1$

素因数の和:470572

約数の個数: 192

約数和(自身を含む): 79275231360

約数和(自身を除く): 59117683320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1530, 1785, 2040, 2142, 2380, 2520, 2856, 3060, 3570, 4284, 4760, 5355, 6120, 7140, 8568, 10710, 14280, 21420, 42840, 470531, 941062, 1411593, 1882124, 2352655, 2823186, 3293717, 3764248, 4234779, 4705310, 5646372, 6587434, 7057965, 7999027, 8469558, 9410620, 9881151, 11292744, 13174868, 14115930, 15998054, 16468585, 16939116, 18821240, 19762302, 21173895, 23997081, 26349736, 28231860, 29643453, 31996108, 32937170, 33878232, 39524604, 39995135, 42347790, 47994162, 49405755, 55993189, 56463720, 59286906, 63992216, 65874340, 71991243, 79049208, 79990270, 84695580, 95988324, 98811510, 111986378, 118573812, 119985405, 131748680, 143982486, 148217265, 159980540, 167979567, 169391160, 191976648, 197623020, 223972756, 237147624, 239970810, 279965945, 287964972, 296434530, 319961080, 335959134, 359956215, 395246040, 447945512, 479941620, 503938701, 559931890, 575929944, 592869060, 671918268, 719912430, 839897835, 959883240, 1007877402, 1119863780, 1185738120, 1343836536, 1439824860, 1679795670, 2015754804, 2239727560, 2519693505, 2879649720, 3359591340, 4031509608, 5039387010, 6719182680, 10078774020, 20157548040]

約数ペア:

[(1, 20157548040), (2, 10078774020), (3, 6719182680), (4, 5039387010), (5, 4031509608), (6, 3359591340), (7, 2879649720), (8, 2519693505), (9, 2239727560), (10, 2015754804), (12, 1679795670), (14, 1439824860), (15, 1343836536), (17, 1185738120), (18, 1119863780), (20, 1007877402), (21, 959883240), (24, 839897835), (28, 719912430), (30, 671918268), (34, 592869060), (35, 575929944), (36, 559931890), (40, 503938701), (42, 479941620), (45, 447945512), (51, 395246040), (56, 359956215), (60, 335959134), (63, 319961080), (68, 296434530), (70, 287964972), (72, 279965945), (84, 239970810), (85, 237147624), (90, 223972756), (102, 197623020), (105, 191976648), (119, 169391160), (120, 167979567), (126, 159980540), (136, 148217265), (140, 143982486), (153, 131748680), (168, 119985405), (170, 118573812), (180, 111986378), (204, 98811510), (210, 95988324), (238, 84695580), (252, 79990270), (255, 79049208), (280, 71991243), (306, 65874340), (315, 63992216), (340, 59286906), (357, 56463720), (360, 55993189), (408, 49405755), (420, 47994162), (476, 42347790), (504, 39995135), (510, 39524604), (595, 33878232), (612, 32937170), (630, 31996108), (680, 29643453), (714, 28231860), (765, 26349736), (840, 23997081), (952, 21173895), (1020, 19762302), (1071, 18821240), (1190, 16939116), (1224, 16468585), (1260, 15998054), (1428, 14115930), (1530, 13174868), (1785, 11292744), (2040, 9881151), (2142, 9410620), (2380, 8469558), (2520, 7999027), (2856, 7057965), (3060, 6587434), (3570, 5646372), (4284, 4705310), (4760, 4234779), (5355, 3764248), (6120, 3293717), (7140, 2823186), (8568, 2352655), (10710, 1882124), (14280, 1411593), (21420, 941062), (42840, 470531)]