18749640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 55277880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 101, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 202, 204, 210, 221, 238, 255, 260, 273, 280, 303, 312, 340, 357, 364, 390, 404, 408, 420, 442, 455, 476, 505, 510, 520, 546, 595, 606, 663, 680, 707, 714, 728, 780, 808, 840, 884, 910, 952, 1010, 1020, 1092, 1105, 1190, 1212, 1313, 1326, 1365, 1414, 1428, 1515, 1547, 1560, 1717, 1768, 1785, 1820, 2020, 2040, 2121, 2184, 2210, 2380, 2424, 2626, 2652, 2730, 2828, 2856, 3030, 3094, 3315, 3434, 3535, 3570, 3640, 3939, 4040, 4242, 4420, 4641, 4760, 5151, 5252, 5304, 5460, 5656, 6060, 6188, 6565, 6630, 6868, 7070, 7140, 7735, 7878, 8484, 8585, 8840, 9191, 9282, 10302, 10504, 10605, 10920, 12019, 12120, 12376, 13130, 13260, 13736, 14140, 14280, 15470, 15756, 16968, 17170, 18382, 18564, 19695, 20604, 21210, 22321, 23205, 24038, 25755, 26260, 26520, 27573, 28280, 30940, 31512, 34340, 36057, 36764, 37128, 39390, 41208, 42420, 44642, 45955, 46410, 48076, 51510, 52520, 55146, 60095, 61880, 66963, 68680, 72114, 73528, 78780, 84840, 89284, 91910, 92820, 96152, 103020, 110292, 111605, 120190, 133926, 137865, 144228, 156247, 157560, 178568, 180285, 183820, 185640, 206040, 220584, 223210, 240380, 267852, 275730, 288456, 312494, 334815, 360570, 367640, 446420, 468741, 480760, 535704, 551460, 624988, 669630, 721140, 781235, 892840, 937482, 1102920, 1249976, 1339260, 1442280, 1562470, 1874964, 2343705, 2678520, 3124940, 3749928, 4687410, 6249880, 9374820, 18749640]

約数ペア:

[(1, 18749640), (2, 9374820), (3, 6249880), (4, 4687410), (5, 3749928), (6, 3124940), (7, 2678520), (8, 2343705), (10, 1874964), (12, 1562470), (13, 1442280), (14, 1339260), (15, 1249976), (17, 1102920), (20, 937482), (21, 892840), (24, 781235), (26, 721140), (28, 669630), (30, 624988), (34, 551460), (35, 535704), (39, 480760), (40, 468741), (42, 446420), (51, 367640), (52, 360570), (56, 334815), (60, 312494), (65, 288456), (68, 275730), (70, 267852), (78, 240380), (84, 223210), (85, 220584), (91, 206040), (101, 185640), (102, 183820), (104, 180285), (105, 178568), (119, 157560), (120, 156247), (130, 144228), (136, 137865), (140, 133926), (156, 120190), (168, 111605), (170, 110292), (182, 103020), (195, 96152), (202, 92820), (204, 91910), (210, 89284), (221, 84840), (238, 78780), (255, 73528), (260, 72114), (273, 68680), (280, 66963), (303, 61880), (312, 60095), (340, 55146), (357, 52520), (364, 51510), (390, 48076), (404, 46410), (408, 45955), (420, 44642), (442, 42420), (455, 41208), (476, 39390), (505, 37128), (510, 36764), (520, 36057), (546, 34340), (595, 31512), (606, 30940), (663, 28280), (680, 27573), (707, 26520), (714, 26260), (728, 25755), (780, 24038), (808, 23205), (840, 22321), (884, 21210), (910, 20604), (952, 19695), (1010, 18564), (1020, 18382), (1092, 17170), (1105, 16968), (1190, 15756), (1212, 15470), (1313, 14280), (1326, 14140), (1365, 13736), (1414, 13260), (1428, 13130), (1515, 12376), (1547, 12120), (1560, 12019), (1717, 10920), (1768, 10605), (1785, 10504), (1820, 10302), (2020, 9282), (2040, 9191), (2121, 8840), (2184, 8585), (2210, 8484), (2380, 7878), (2424, 7735), (2626, 7140), (2652, 7070), (2730, 6868), (2828, 6630), (2856, 6565), (3030, 6188), (3094, 6060), (3315, 5656), (3434, 5460), (3535, 5304), (3570, 5252), (3640, 5151), (3939, 4760), (4040, 4641), (4242, 4420)]