78374340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 144

約数和(自身を含む): 270781056

約数和(自身を除く): 192406716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1265, 1380, 1518, 1721, 1980, 2070, 2277, 2530, 3036, 3442, 3795, 4140, 4554, 5060, 5163, 6884, 7590, 8605, 9108, 10326, 11385, 15180, 15489, 17210, 18931, 20652, 22770, 25815, 30978, 34420, 37862, 39583, 45540, 51630, 56793, 61956, 75724, 77445, 79166, 94655, 103260, 113586, 118749, 154890, 158332, 170379, 189310, 197915, 227172, 237498, 283965, 309780, 340758, 356247, 378620, 395830, 435413, 474996, 567930, 593745, 681516, 712494, 791660, 851895, 870826, 1135860, 1187490, 1306239, 1424988, 1703790, 1741652, 1781235, 2177065, 2374980, 2612478, 3407580, 3562470, 3918717, 4354130, 5224956, 6531195, 7124940, 7837434, 8708260, 13062390, 15674868, 19593585, 26124780, 39187170, 78374340]

約数ペア:

[(1, 78374340), (2, 39187170), (3, 26124780), (4, 19593585), (5, 15674868), (6, 13062390), (9, 8708260), (10, 7837434), (11, 7124940), (12, 6531195), (15, 5224956), (18, 4354130), (20, 3918717), (22, 3562470), (23, 3407580), (30, 2612478), (33, 2374980), (36, 2177065), (44, 1781235), (45, 1741652), (46, 1703790), (55, 1424988), (60, 1306239), (66, 1187490), (69, 1135860), (90, 870826), (92, 851895), (99, 791660), (110, 712494), (115, 681516), (132, 593745), (138, 567930), (165, 474996), (180, 435413), (198, 395830), (207, 378620), (220, 356247), (230, 340758), (253, 309780), (276, 283965), (330, 237498), (345, 227172), (396, 197915), (414, 189310), (460, 170379), (495, 158332), (506, 154890), (660, 118749), (690, 113586), (759, 103260), (828, 94655), (990, 79166), (1012, 77445), (1035, 75724), (1265, 61956), (1380, 56793), (1518, 51630), (1721, 45540), (1980, 39583), (2070, 37862), (2277, 34420), (2530, 30978), (3036, 25815), (3442, 22770), (3795, 20652), (4140, 18931), (4554, 17210), (5060, 15489), (5163, 15180), (6884, 11385), (7590, 10326), (8605, 9108)]