81653040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 240

約数和(自身を含む): 332175168

約数和(自身を除く): 250522128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 953, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 1906, 2040, 2142, 2380, 2448, 2520, 2856, 2859, 3060, 3570, 3812, 4080, 4284, 4760, 4765, 5040, 5355, 5712, 5718, 6120, 6671, 7140, 7624, 8568, 8577, 9520, 9530, 10710, 11436, 12240, 13342, 14280, 14295, 15248, 16201, 17136, 17154, 19060, 20013, 21420, 22872, 26684, 28560, 28590, 32402, 33355, 34308, 38120, 40026, 42840, 42885, 45744, 48603, 53368, 57180, 60039, 64804, 66710, 68616, 76240, 80052, 81005, 85680, 85770, 97206, 100065, 106736, 113407, 114360, 120078, 129608, 133420, 137232, 145809, 160104, 162010, 171540, 194412, 200130, 226814, 228720, 240156, 243015, 259216, 266840, 291618, 300195, 320208, 324020, 340221, 343080, 388824, 400260, 453628, 480312, 486030, 533680, 567035, 583236, 600390, 648040, 680442, 686160, 729045, 777648, 800520, 907256, 960624, 972060, 1020663, 1134070, 1166472, 1200780, 1296080, 1360884, 1458090, 1601040, 1701105, 1814512, 1944120, 2041326, 2268140, 2332944, 2401560, 2721768, 2916180, 3402210, 3888240, 4082652, 4536280, 4803120, 5103315, 5443536, 5832360, 6804420, 8165304, 9072560, 10206630, 11664720, 13608840, 16330608, 20413260, 27217680, 40826520, 81653040]

約数ペア:

[(1, 81653040), (2, 40826520), (3, 27217680), (4, 20413260), (5, 16330608), (6, 13608840), (7, 11664720), (8, 10206630), (9, 9072560), (10, 8165304), (12, 6804420), (14, 5832360), (15, 5443536), (16, 5103315), (17, 4803120), (18, 4536280), (20, 4082652), (21, 3888240), (24, 3402210), (28, 2916180), (30, 2721768), (34, 2401560), (35, 2332944), (36, 2268140), (40, 2041326), (42, 1944120), (45, 1814512), (48, 1701105), (51, 1601040), (56, 1458090), (60, 1360884), (63, 1296080), (68, 1200780), (70, 1166472), (72, 1134070), (80, 1020663), (84, 972060), (85, 960624), (90, 907256), (102, 800520), (105, 777648), (112, 729045), (119, 686160), (120, 680442), (126, 648040), (136, 600390), (140, 583236), (144, 567035), (153, 533680), (168, 486030), (170, 480312), (180, 453628), (204, 400260), (210, 388824), (238, 343080), (240, 340221), (252, 324020), (255, 320208), (272, 300195), (280, 291618), (306, 266840), (315, 259216), (336, 243015), (340, 240156), (357, 228720), (360, 226814), (408, 200130), (420, 194412), (476, 171540), (504, 162010), (510, 160104), (560, 145809), (595, 137232), (612, 133420), (630, 129608), (680, 120078), (714, 114360), (720, 113407), (765, 106736), (816, 100065), (840, 97206), (952, 85770), (953, 85680), (1008, 81005), (1020, 80052), (1071, 76240), (1190, 68616), (1224, 66710), (1260, 64804), (1360, 60039), (1428, 57180), (1530, 53368), (1680, 48603), (1785, 45744), (1904, 42885), (1906, 42840), (2040, 40026), (2142, 38120), (2380, 34308), (2448, 33355), (2520, 32402), (2856, 28590), (2859, 28560), (3060, 26684), (3570, 22872), (3812, 21420), (4080, 20013), (4284, 19060), (4760, 17154), (4765, 17136), (5040, 16201), (5355, 15248), (5712, 14295), (5718, 14280), (6120, 13342), (6671, 12240), (7140, 11436), (7624, 10710), (8568, 9530), (8577, 9520)]