30828840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 108902880

約数和(自身を除く): 78074040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 107, 120, 140, 147, 168, 196, 210, 214, 245, 280, 294, 321, 343, 392, 420, 428, 490, 535, 588, 642, 686, 735, 749, 840, 856, 980, 1029, 1070, 1176, 1284, 1372, 1470, 1498, 1605, 1715, 1960, 2058, 2140, 2247, 2401, 2568, 2744, 2940, 2996, 3210, 3430, 3745, 4116, 4280, 4494, 4802, 5145, 5243, 5880, 5992, 6420, 6860, 7203, 7490, 8232, 8988, 9604, 10290, 10486, 11235, 12005, 12840, 13720, 14406, 14980, 15729, 17976, 19208, 20580, 20972, 22470, 24010, 26215, 28812, 29960, 31458, 36015, 36701, 41160, 41944, 44940, 48020, 52430, 57624, 62916, 72030, 73402, 78645, 89880, 96040, 104860, 110103, 125832, 144060, 146804, 157290, 183505, 209720, 220206, 256907, 288120, 293608, 314580, 367010, 440412, 513814, 550515, 629160, 734020, 770721, 880824, 1027628, 1101030, 1284535, 1468040, 1541442, 2055256, 2202060, 2569070, 3082884, 3853605, 4404120, 5138140, 6165768, 7707210, 10276280, 15414420, 30828840]

約数ペア:

[(1, 30828840), (2, 15414420), (3, 10276280), (4, 7707210), (5, 6165768), (6, 5138140), (7, 4404120), (8, 3853605), (10, 3082884), (12, 2569070), (14, 2202060), (15, 2055256), (20, 1541442), (21, 1468040), (24, 1284535), (28, 1101030), (30, 1027628), (35, 880824), (40, 770721), (42, 734020), (49, 629160), (56, 550515), (60, 513814), (70, 440412), (84, 367010), (98, 314580), (105, 293608), (107, 288120), (120, 256907), (140, 220206), (147, 209720), (168, 183505), (196, 157290), (210, 146804), (214, 144060), (245, 125832), (280, 110103), (294, 104860), (321, 96040), (343, 89880), (392, 78645), (420, 73402), (428, 72030), (490, 62916), (535, 57624), (588, 52430), (642, 48020), (686, 44940), (735, 41944), (749, 41160), (840, 36701), (856, 36015), (980, 31458), (1029, 29960), (1070, 28812), (1176, 26215), (1284, 24010), (1372, 22470), (1470, 20972), (1498, 20580), (1605, 19208), (1715, 17976), (1960, 15729), (2058, 14980), (2140, 14406), (2247, 13720), (2401, 12840), (2568, 12005), (2744, 11235), (2940, 10486), (2996, 10290), (3210, 9604), (3430, 8988), (3745, 8232), (4116, 7490), (4280, 7203), (4494, 6860), (4802, 6420), (5145, 5992), (5243, 5880)]