215993520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:337

約数の個数: 240

約数和(自身を含む): 788029920

約数和(自身を除く): 572036400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 277, 285, 304, 342, 360, 361, 380, 432, 456, 513, 540, 554, 570, 684, 720, 722, 760, 831, 855, 912, 1026, 1080, 1083, 1108, 1140, 1368, 1385, 1444, 1520, 1662, 1710, 1805, 2052, 2160, 2166, 2216, 2280, 2493, 2565, 2736, 2770, 2888, 3249, 3324, 3420, 3610, 4104, 4155, 4332, 4432, 4560, 4986, 5130, 5263, 5415, 5540, 5776, 6498, 6648, 6840, 7220, 7479, 8208, 8310, 8664, 9747, 9972, 10260, 10526, 10830, 11080, 12465, 12996, 13296, 13680, 14440, 14958, 15789, 16245, 16620, 17328, 19494, 19944, 20520, 21052, 21660, 22160, 24930, 25992, 26315, 28880, 29916, 31578, 32490, 33240, 37395, 38988, 39888, 41040, 42104, 43320, 47367, 48735, 49860, 51984, 52630, 59832, 63156, 64980, 66480, 74790, 77976, 78945, 84208, 86640, 94734, 97470, 99720, 99997, 105260, 119664, 126312, 129960, 142101, 149580, 155952, 157890, 189468, 194940, 199440, 199994, 210520, 236835, 252624, 259920, 284202, 299160, 299991, 315780, 378936, 389880, 399988, 421040, 473670, 499985, 568404, 598320, 599982, 631560, 710505, 757872, 779760, 799976, 899973, 947340, 999970, 1136808, 1199964, 1263120, 1421010, 1499955, 1599952, 1799946, 1894680, 1999940, 2273616, 2399928, 2699919, 2842020, 2999910, 3599892, 3789360, 3999880, 4499865, 4799856, 5399838, 5684040, 5999820, 7199784, 7999760, 8999730, 10799676, 11368080, 11999640, 13499595, 14399568, 17999460, 21599352, 23999280, 26999190, 35998920, 43198704, 53998380, 71997840, 107996760, 215993520]

約数ペア:

[(1, 215993520), (2, 107996760), (3, 71997840), (4, 53998380), (5, 43198704), (6, 35998920), (8, 26999190), (9, 23999280), (10, 21599352), (12, 17999460), (15, 14399568), (16, 13499595), (18, 11999640), (19, 11368080), (20, 10799676), (24, 8999730), (27, 7999760), (30, 7199784), (36, 5999820), (38, 5684040), (40, 5399838), (45, 4799856), (48, 4499865), (54, 3999880), (57, 3789360), (60, 3599892), (72, 2999910), (76, 2842020), (80, 2699919), (90, 2399928), (95, 2273616), (108, 1999940), (114, 1894680), (120, 1799946), (135, 1599952), (144, 1499955), (152, 1421010), (171, 1263120), (180, 1199964), (190, 1136808), (216, 999970), (228, 947340), (240, 899973), (270, 799976), (277, 779760), (285, 757872), (304, 710505), (342, 631560), (360, 599982), (361, 598320), (380, 568404), (432, 499985), (456, 473670), (513, 421040), (540, 399988), (554, 389880), (570, 378936), (684, 315780), (720, 299991), (722, 299160), (760, 284202), (831, 259920), (855, 252624), (912, 236835), (1026, 210520), (1080, 199994), (1083, 199440), (1108, 194940), (1140, 189468), (1368, 157890), (1385, 155952), (1444, 149580), (1520, 142101), (1662, 129960), (1710, 126312), (1805, 119664), (2052, 105260), (2160, 99997), (2166, 99720), (2216, 97470), (2280, 94734), (2493, 86640), (2565, 84208), (2736, 78945), (2770, 77976), (2888, 74790), (3249, 66480), (3324, 64980), (3420, 63156), (3610, 59832), (4104, 52630), (4155, 51984), (4332, 49860), (4432, 48735), (4560, 47367), (4986, 43320), (5130, 42104), (5263, 41040), (5415, 39888), (5540, 38988), (5776, 37395), (6498, 33240), (6648, 32490), (6840, 31578), (7220, 29916), (7479, 28880), (8208, 26315), (8310, 25992), (8664, 24930), (9747, 22160), (9972, 21660), (10260, 21052), (10526, 20520), (10830, 19944), (11080, 19494), (12465, 17328), (12996, 16620), (13296, 16245), (13680, 15789), (14440, 14958)]