291210720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:937

約数の個数: 192

約数和(自身を含む): 992839680

約数和(自身を除く): 701628960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 96, 111, 114, 120, 148, 152, 160, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 480, 555, 570, 592, 608, 703, 740, 760, 863, 888, 912, 1110, 1140, 1184, 1406, 1480, 1520, 1726, 1776, 1824, 2109, 2220, 2280, 2589, 2812, 2960, 3040, 3452, 3515, 3552, 4218, 4315, 4440, 4560, 5178, 5624, 5920, 6904, 7030, 8436, 8630, 8880, 9120, 10356, 10545, 11248, 12945, 13808, 14060, 16397, 16872, 17260, 17760, 20712, 21090, 22496, 25890, 27616, 28120, 31931, 32794, 33744, 34520, 41424, 42180, 49191, 51780, 56240, 63862, 65588, 67488, 69040, 81985, 82848, 84360, 95793, 98382, 103560, 112480, 127724, 131176, 138080, 159655, 163970, 168720, 191586, 196764, 207120, 245955, 255448, 262352, 319310, 327940, 337440, 383172, 393528, 414240, 478965, 491910, 510896, 524704, 606689, 638620, 655880, 766344, 787056, 957930, 983820, 1021792, 1213378, 1277240, 1311760, 1532688, 1574112, 1820067, 1915860, 1967640, 2426756, 2554480, 2623520, 3033445, 3065376, 3640134, 3831720, 3935280, 4853512, 5108960, 6066890, 7280268, 7663440, 7870560, 9100335, 9707024, 12133780, 14560536, 15326880, 18200670, 19414048, 24267560, 29121072, 36401340, 48535120, 58242144, 72802680, 97070240, 145605360, 291210720]

約数ペア:

[(1, 291210720), (2, 145605360), (3, 97070240), (4, 72802680), (5, 58242144), (6, 48535120), (8, 36401340), (10, 29121072), (12, 24267560), (15, 19414048), (16, 18200670), (19, 15326880), (20, 14560536), (24, 12133780), (30, 9707024), (32, 9100335), (37, 7870560), (38, 7663440), (40, 7280268), (48, 6066890), (57, 5108960), (60, 4853512), (74, 3935280), (76, 3831720), (80, 3640134), (95, 3065376), (96, 3033445), (111, 2623520), (114, 2554480), (120, 2426756), (148, 1967640), (152, 1915860), (160, 1820067), (185, 1574112), (190, 1532688), (222, 1311760), (228, 1277240), (240, 1213378), (285, 1021792), (296, 983820), (304, 957930), (370, 787056), (380, 766344), (444, 655880), (456, 638620), (480, 606689), (555, 524704), (570, 510896), (592, 491910), (608, 478965), (703, 414240), (740, 393528), (760, 383172), (863, 337440), (888, 327940), (912, 319310), (1110, 262352), (1140, 255448), (1184, 245955), (1406, 207120), (1480, 196764), (1520, 191586), (1726, 168720), (1776, 163970), (1824, 159655), (2109, 138080), (2220, 131176), (2280, 127724), (2589, 112480), (2812, 103560), (2960, 98382), (3040, 95793), (3452, 84360), (3515, 82848), (3552, 81985), (4218, 69040), (4315, 67488), (4440, 65588), (4560, 63862), (5178, 56240), (5624, 51780), (5920, 49191), (6904, 42180), (7030, 41424), (8436, 34520), (8630, 33744), (8880, 32794), (9120, 31931), (10356, 28120), (10545, 27616), (11248, 25890), (12945, 22496), (13808, 21090), (14060, 20712), (16397, 17760), (16872, 17260)]