1221640920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:695

約数の個数: 256

約数和(自身を含む): 4267468800

約数和(自身を除く): 3045827880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 47, 54, 60, 72, 82, 90, 94, 108, 120, 123, 135, 141, 164, 180, 188, 205, 216, 235, 246, 270, 282, 328, 360, 369, 376, 410, 423, 470, 492, 540, 564, 587, 615, 705, 738, 820, 846, 940, 984, 1080, 1107, 1128, 1174, 1230, 1269, 1410, 1476, 1640, 1692, 1761, 1845, 1880, 1927, 2115, 2214, 2348, 2460, 2538, 2820, 2935, 2952, 3384, 3522, 3690, 3854, 4230, 4428, 4696, 4920, 5076, 5283, 5535, 5640, 5781, 5870, 6345, 7044, 7380, 7708, 8460, 8805, 8856, 9635, 10152, 10566, 11070, 11562, 11740, 12690, 14088, 14760, 15416, 15849, 16920, 17343, 17610, 19270, 21132, 22140, 23124, 23480, 24067, 25380, 26415, 27589, 28905, 31698, 34686, 35220, 38540, 42264, 44280, 46248, 48134, 50760, 52029, 52830, 55178, 57810, 63396, 69372, 70440, 72201, 77080, 79245, 82767, 86715, 96268, 104058, 105660, 110356, 115620, 120335, 126792, 137945, 138744, 144402, 158490, 165534, 173430, 192536, 208116, 211320, 216603, 220712, 231240, 240670, 248301, 260145, 275890, 288804, 316980, 331068, 346860, 361005, 413835, 416232, 433206, 481340, 496602, 520290, 551780, 577608, 633960, 649809, 662136, 693720, 722010, 744903, 827670, 866412, 962680, 993204, 1040580, 1083015, 1103560, 1131149, 1241505, 1299618, 1444020, 1489806, 1655340, 1732824, 1986408, 2081160, 2166030, 2262298, 2483010, 2599236, 2888040, 2979612, 3249045, 3310680, 3393447, 3724515, 4332060, 4524596, 4966020, 5198472, 5655745, 5959224, 6498090, 6786894, 7449030, 8664120, 9049192, 9932040, 10180341, 11311490, 12996180, 13573788, 14898060, 16967235, 20360682, 22622980, 25992360, 27147576, 29796120, 30541023, 33934470, 40721364, 45245960, 50901705, 61082046, 67868940, 81442728, 101803410, 122164092, 135737880, 152705115, 203606820, 244328184, 305410230, 407213640, 610820460, 1221640920]

約数ペア:

[(1, 1221640920), (2, 610820460), (3, 407213640), (4, 305410230), (5, 244328184), (6, 203606820), (8, 152705115), (9, 135737880), (10, 122164092), (12, 101803410), (15, 81442728), (18, 67868940), (20, 61082046), (24, 50901705), (27, 45245960), (30, 40721364), (36, 33934470), (40, 30541023), (41, 29796120), (45, 27147576), (47, 25992360), (54, 22622980), (60, 20360682), (72, 16967235), (82, 14898060), (90, 13573788), (94, 12996180), (108, 11311490), (120, 10180341), (123, 9932040), (135, 9049192), (141, 8664120), (164, 7449030), (180, 6786894), (188, 6498090), (205, 5959224), (216, 5655745), (235, 5198472), (246, 4966020), (270, 4524596), (282, 4332060), (328, 3724515), (360, 3393447), (369, 3310680), (376, 3249045), (410, 2979612), (423, 2888040), (470, 2599236), (492, 2483010), (540, 2262298), (564, 2166030), (587, 2081160), (615, 1986408), (705, 1732824), (738, 1655340), (820, 1489806), (846, 1444020), (940, 1299618), (984, 1241505), (1080, 1131149), (1107, 1103560), (1128, 1083015), (1174, 1040580), (1230, 993204), (1269, 962680), (1410, 866412), (1476, 827670), (1640, 744903), (1692, 722010), (1761, 693720), (1845, 662136), (1880, 649809), (1927, 633960), (2115, 577608), (2214, 551780), (2348, 520290), (2460, 496602), (2538, 481340), (2820, 433206), (2935, 416232), (2952, 413835), (3384, 361005), (3522, 346860), (3690, 331068), (3854, 316980), (4230, 288804), (4428, 275890), (4696, 260145), (4920, 248301), (5076, 240670), (5283, 231240), (5535, 220712), (5640, 216603), (5781, 211320), (5870, 208116), (6345, 192536), (7044, 173430), (7380, 165534), (7708, 158490), (8460, 144402), (8805, 138744), (8856, 137945), (9635, 126792), (10152, 120335), (10566, 115620), (11070, 110356), (11562, 105660), (11740, 104058), (12690, 96268), (14088, 86715), (14760, 82767), (15416, 79245), (15849, 77080), (16920, 72201), (17343, 70440), (17610, 69372), (19270, 63396), (21132, 57810), (22140, 55178), (23124, 52830), (23480, 52029), (24067, 50760), (25380, 48134), (26415, 46248), (27589, 44280), (28905, 42264), (31698, 38540), (34686, 35220)]