20440384920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1\times {\mathrm{1511}}^1$

素因数の和:2290

約数の個数: 192

約数和(自身を含む): 67824993600

約数和(自身を除く): 47384608680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 709, 795, 954, 1060, 1272, 1418, 1511, 1590, 1908, 2120, 2127, 2385, 2836, 3022, 3180, 3545, 3816, 4254, 4533, 4770, 5672, 6044, 6360, 6381, 7090, 7555, 8508, 9066, 9540, 10635, 12088, 12762, 13599, 14180, 15110, 17016, 18132, 19080, 21270, 22665, 25524, 27198, 28360, 30220, 31905, 36264, 37577, 42540, 45330, 51048, 54396, 60440, 63810, 67995, 75154, 80083, 85080, 90660, 108792, 112731, 127620, 135990, 150308, 160166, 181320, 187885, 225462, 240249, 255240, 271980, 300616, 320332, 338193, 375770, 400415, 450924, 480498, 543960, 563655, 640664, 676386, 720747, 751540, 800830, 901848, 960996, 1071299, 1127310, 1201245, 1352772, 1441494, 1503080, 1601660, 1690965, 1921992, 2142598, 2254620, 2402490, 2705544, 2882988, 3203320, 3213897, 3381930, 3603735, 4285196, 4509240, 4804980, 5356495, 5765976, 6427794, 6763860, 7207470, 8570392, 9609960, 9641691, 10712990, 12855588, 13527720, 14414940, 16069485, 19283382, 21425980, 25711176, 28829880, 32138970, 38566764, 42851960, 48208455, 56778847, 64277940, 77133528, 96416910, 113557694, 128555880, 170336541, 192833820, 227115388, 283894235, 340673082, 385667640, 454230776, 511009623, 567788470, 681346164, 851682705, 1022019246, 1135576940, 1362692328, 1703365410, 2044038492, 2271153880, 2555048115, 3406730820, 4088076984, 5110096230, 6813461640, 10220192460, 20440384920]

約数ペア:

[(1, 20440384920), (2, 10220192460), (3, 6813461640), (4, 5110096230), (5, 4088076984), (6, 3406730820), (8, 2555048115), (9, 2271153880), (10, 2044038492), (12, 1703365410), (15, 1362692328), (18, 1135576940), (20, 1022019246), (24, 851682705), (30, 681346164), (36, 567788470), (40, 511009623), (45, 454230776), (53, 385667640), (60, 340673082), (72, 283894235), (90, 227115388), (106, 192833820), (120, 170336541), (159, 128555880), (180, 113557694), (212, 96416910), (265, 77133528), (318, 64277940), (360, 56778847), (424, 48208455), (477, 42851960), (530, 38566764), (636, 32138970), (709, 28829880), (795, 25711176), (954, 21425980), (1060, 19283382), (1272, 16069485), (1418, 14414940), (1511, 13527720), (1590, 12855588), (1908, 10712990), (2120, 9641691), (2127, 9609960), (2385, 8570392), (2836, 7207470), (3022, 6763860), (3180, 6427794), (3545, 5765976), (3816, 5356495), (4254, 4804980), (4533, 4509240), (4770, 4285196), (5672, 3603735), (6044, 3381930), (6360, 3213897), (6381, 3203320), (7090, 2882988), (7555, 2705544), (8508, 2402490), (9066, 2254620), (9540, 2142598), (10635, 1921992), (12088, 1690965), (12762, 1601660), (13599, 1503080), (14180, 1441494), (15110, 1352772), (17016, 1201245), (18132, 1127310), (19080, 1071299), (21270, 960996), (22665, 901848), (25524, 800830), (27198, 751540), (28360, 720747), (30220, 676386), (31905, 640664), (36264, 563655), (37577, 543960), (42540, 480498), (45330, 450924), (51048, 400415), (54396, 375770), (60440, 338193), (63810, 320332), (67995, 300616), (75154, 271980), (80083, 255240), (85080, 240249), (90660, 225462), (108792, 187885), (112731, 181320), (127620, 160166), (135990, 150308)]