281363940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:699

約数の個数: 288

約数和(自身を含む): 1063310976

約数和(自身を除く): 781947036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 17, 18, 20, 22, 26, 30, 33, 34, 36, 39, 44, 45, 51, 52, 55, 60, 65, 66, 68, 78, 85, 90, 99, 102, 110, 117, 130, 132, 143, 153, 156, 165, 170, 180, 187, 195, 198, 204, 220, 221, 234, 255, 260, 286, 306, 330, 340, 374, 390, 396, 429, 442, 468, 495, 510, 561, 572, 585, 612, 643, 660, 663, 715, 748, 765, 780, 858, 884, 935, 990, 1020, 1105, 1122, 1170, 1286, 1287, 1326, 1430, 1530, 1683, 1716, 1870, 1929, 1980, 1989, 2145, 2210, 2244, 2340, 2431, 2572, 2574, 2652, 2805, 2860, 3060, 3215, 3315, 3366, 3740, 3858, 3978, 4290, 4420, 4862, 5148, 5610, 5787, 6430, 6435, 6630, 6732, 7073, 7293, 7716, 7956, 8359, 8415, 8580, 9645, 9724, 9945, 10931, 11220, 11574, 12155, 12860, 12870, 13260, 14146, 14586, 16718, 16830, 19290, 19890, 21219, 21862, 21879, 23148, 24310, 25077, 25740, 28292, 28935, 29172, 32793, 33436, 33660, 35365, 36465, 38580, 39780, 41795, 42438, 43724, 43758, 48620, 50154, 54655, 57870, 63657, 65586, 70730, 72930, 75231, 83590, 84876, 87516, 91949, 98379, 100308, 106095, 109310, 109395, 115740, 120241, 125385, 127314, 131172, 141460, 142103, 145860, 150462, 163965, 167180, 183898, 196758, 212190, 218620, 218790, 240482, 250770, 254628, 275847, 284206, 300924, 318285, 327930, 360723, 367796, 376155, 393516, 424380, 426309, 437580, 459745, 480964, 491895, 501540, 551694, 568412, 601205, 636570, 655860, 710515, 721446, 752310, 827541, 852618, 919490, 983790, 1082169, 1103388, 1202410, 1273140, 1278927, 1379235, 1421030, 1442892, 1504620, 1563133, 1655082, 1705236, 1803615, 1838980, 1967580, 2131545, 2164338, 2404820, 2557854, 2758470, 2842060, 3126266, 3310164, 3607230, 4137705, 4263090, 4328676, 4689399, 5115708, 5410845, 5516940, 6252532, 6394635, 7214460, 7815665, 8275410, 8526180, 9378798, 10821690, 12789270, 14068197, 15631330, 16550820, 18757596, 21643380, 23446995, 25578540, 28136394, 31262660, 46893990, 56272788, 70340985, 93787980, 140681970, 281363940]

約数ペア:

[(1, 281363940), (2, 140681970), (3, 93787980), (4, 70340985), (5, 56272788), (6, 46893990), (9, 31262660), (10, 28136394), (11, 25578540), (12, 23446995), (13, 21643380), (15, 18757596), (17, 16550820), (18, 15631330), (20, 14068197), (22, 12789270), (26, 10821690), (30, 9378798), (33, 8526180), (34, 8275410), (36, 7815665), (39, 7214460), (44, 6394635), (45, 6252532), (51, 5516940), (52, 5410845), (55, 5115708), (60, 4689399), (65, 4328676), (66, 4263090), (68, 4137705), (78, 3607230), (85, 3310164), (90, 3126266), (99, 2842060), (102, 2758470), (110, 2557854), (117, 2404820), (130, 2164338), (132, 2131545), (143, 1967580), (153, 1838980), (156, 1803615), (165, 1705236), (170, 1655082), (180, 1563133), (187, 1504620), (195, 1442892), (198, 1421030), (204, 1379235), (220, 1278927), (221, 1273140), (234, 1202410), (255, 1103388), (260, 1082169), (286, 983790), (306, 919490), (330, 852618), (340, 827541), (374, 752310), (390, 721446), (396, 710515), (429, 655860), (442, 636570), (468, 601205), (495, 568412), (510, 551694), (561, 501540), (572, 491895), (585, 480964), (612, 459745), (643, 437580), (660, 426309), (663, 424380), (715, 393516), (748, 376155), (765, 367796), (780, 360723), (858, 327930), (884, 318285), (935, 300924), (990, 284206), (1020, 275847), (1105, 254628), (1122, 250770), (1170, 240482), (1286, 218790), (1287, 218620), (1326, 212190), (1430, 196758), (1530, 183898), (1683, 167180), (1716, 163965), (1870, 150462), (1929, 145860), (1980, 142103), (1989, 141460), (2145, 131172), (2210, 127314), (2244, 125385), (2340, 120241), (2431, 115740), (2572, 109395), (2574, 109310), (2652, 106095), (2805, 100308), (2860, 98379), (3060, 91949), (3215, 87516), (3315, 84876), (3366, 83590), (3740, 75231), (3858, 72930), (3978, 70730), (4290, 65586), (4420, 63657), (4862, 57870), (5148, 54655), (5610, 50154), (5787, 48620), (6430, 43758), (6435, 43724), (6630, 42438), (6732, 41795), (7073, 39780), (7293, 38580), (7716, 36465), (7956, 35365), (8359, 33660), (8415, 33436), (8580, 32793), (9645, 29172), (9724, 28935), (9945, 28292), (10931, 25740), (11220, 25077), (11574, 24310), (12155, 23148), (12860, 21879), (12870, 21862), (13260, 21219), (14146, 19890), (14586, 19290), (16718, 16830)]