18613980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 75479040

約数和(自身を除く): 56865060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 63, 66, 68, 70, 77, 79, 84, 85, 90, 99, 102, 105, 110, 119, 126, 132, 140, 153, 154, 158, 165, 170, 180, 187, 198, 204, 210, 220, 231, 237, 238, 252, 255, 306, 308, 315, 316, 330, 340, 357, 374, 385, 395, 396, 420, 462, 474, 476, 495, 510, 553, 561, 595, 612, 630, 660, 693, 711, 714, 748, 765, 770, 790, 869, 924, 935, 948, 990, 1020, 1071, 1106, 1122, 1155, 1185, 1190, 1260, 1309, 1343, 1386, 1422, 1428, 1530, 1540, 1580, 1659, 1683, 1738, 1785, 1870, 1980, 2142, 2212, 2244, 2310, 2370, 2380, 2607, 2618, 2686, 2765, 2772, 2805, 2844, 3060, 3318, 3366, 3465, 3476, 3555, 3570, 3740, 3927, 4029, 4284, 4345, 4620, 4740, 4977, 5214, 5236, 5355, 5372, 5530, 5610, 6083, 6545, 6636, 6715, 6732, 6930, 7110, 7140, 7821, 7854, 8058, 8295, 8415, 8690, 9401, 9954, 10428, 10710, 11060, 11220, 11781, 12087, 12166, 13035, 13090, 13430, 13860, 14220, 14773, 15642, 15708, 16116, 16590, 16830, 17380, 18249, 18802, 19635, 19908, 20145, 21420, 23562, 24174, 24332, 24885, 26070, 26180, 26860, 28203, 29546, 30415, 31284, 33180, 33660, 36498, 37604, 39105, 39270, 40290, 44319, 47005, 47124, 48348, 49770, 52140, 54747, 56406, 58905, 59092, 60435, 60830, 72996, 73865, 78210, 78540, 80580, 84609, 88638, 91245, 94010, 99540, 103411, 109494, 112812, 117810, 120870, 121660, 132957, 141015, 147730, 156420, 169218, 177276, 182490, 188020, 206822, 218988, 221595, 235620, 241740, 265914, 273735, 282030, 295460, 310233, 338436, 364980, 413644, 423045, 443190, 517055, 531828, 547470, 564060, 620466, 664785, 846090, 886380, 930699, 1034110, 1094940, 1240932, 1329570, 1551165, 1692180, 1861398, 2068220, 2659140, 3102330, 3722796, 4653495, 6204660, 9306990, 18613980]

約数ペア:

[(1, 18613980), (2, 9306990), (3, 6204660), (4, 4653495), (5, 3722796), (6, 3102330), (7, 2659140), (9, 2068220), (10, 1861398), (11, 1692180), (12, 1551165), (14, 1329570), (15, 1240932), (17, 1094940), (18, 1034110), (20, 930699), (21, 886380), (22, 846090), (28, 664785), (30, 620466), (33, 564060), (34, 547470), (35, 531828), (36, 517055), (42, 443190), (44, 423045), (45, 413644), (51, 364980), (55, 338436), (60, 310233), (63, 295460), (66, 282030), (68, 273735), (70, 265914), (77, 241740), (79, 235620), (84, 221595), (85, 218988), (90, 206822), (99, 188020), (102, 182490), (105, 177276), (110, 169218), (119, 156420), (126, 147730), (132, 141015), (140, 132957), (153, 121660), (154, 120870), (158, 117810), (165, 112812), (170, 109494), (180, 103411), (187, 99540), (198, 94010), (204, 91245), (210, 88638), (220, 84609), (231, 80580), (237, 78540), (238, 78210), (252, 73865), (255, 72996), (306, 60830), (308, 60435), (315, 59092), (316, 58905), (330, 56406), (340, 54747), (357, 52140), (374, 49770), (385, 48348), (395, 47124), (396, 47005), (420, 44319), (462, 40290), (474, 39270), (476, 39105), (495, 37604), (510, 36498), (553, 33660), (561, 33180), (595, 31284), (612, 30415), (630, 29546), (660, 28203), (693, 26860), (711, 26180), (714, 26070), (748, 24885), (765, 24332), (770, 24174), (790, 23562), (869, 21420), (924, 20145), (935, 19908), (948, 19635), (990, 18802), (1020, 18249), (1071, 17380), (1106, 16830), (1122, 16590), (1155, 16116), (1185, 15708), (1190, 15642), (1260, 14773), (1309, 14220), (1343, 13860), (1386, 13430), (1422, 13090), (1428, 13035), (1530, 12166), (1540, 12087), (1580, 11781), (1659, 11220), (1683, 11060), (1738, 10710), (1785, 10428), (1870, 9954), (1980, 9401), (2142, 8690), (2212, 8415), (2244, 8295), (2310, 8058), (2370, 7854), (2380, 7821), (2607, 7140), (2618, 7110), (2686, 6930), (2765, 6732), (2772, 6715), (2805, 6636), (2844, 6545), (3060, 6083), (3318, 5610), (3366, 5530), (3465, 5372), (3476, 5355), (3555, 5236), (3570, 5214), (3740, 4977), (3927, 4740), (4029, 4620), (4284, 4345)]