71997840

素因数分解:

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

素因数の和:334

約数の個数: 180

約数和(自身を含む): 256109724

約数和(自身を除く): 184111884

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 277, 285, 304, 342, 360, 361, 380, 456, 554, 570, 684, 720, 722, 760, 831, 855, 912, 1083, 1108, 1140, 1368, 1385, 1444, 1520, 1662, 1710, 1805, 2166, 2216, 2280, 2493, 2736, 2770, 2888, 3249, 3324, 3420, 3610, 4155, 4332, 4432, 4560, 4986, 5263, 5415, 5540, 5776, 6498, 6648, 6840, 7220, 8310, 8664, 9972, 10526, 10830, 11080, 12465, 12996, 13296, 13680, 14440, 15789, 16245, 16620, 17328, 19944, 21052, 21660, 22160, 24930, 25992, 26315, 28880, 31578, 32490, 33240, 39888, 42104, 43320, 47367, 49860, 51984, 52630, 63156, 64980, 66480, 78945, 84208, 86640, 94734, 99720, 99997, 105260, 126312, 129960, 157890, 189468, 199440, 199994, 210520, 236835, 252624, 259920, 299991, 315780, 378936, 399988, 421040, 473670, 499985, 599982, 631560, 757872, 799976, 899973, 947340, 999970, 1199964, 1263120, 1499955, 1599952, 1799946, 1894680, 1999940, 2399928, 2999910, 3599892, 3789360, 3999880, 4499865, 4799856, 5999820, 7199784, 7999760, 8999730, 11999640, 14399568, 17999460, 23999280, 35998920, 71997840]

約数ペア:

[(1, 71997840), (2, 35998920), (3, 23999280), (4, 17999460), (5, 14399568), (6, 11999640), (8, 8999730), (9, 7999760), (10, 7199784), (12, 5999820), (15, 4799856), (16, 4499865), (18, 3999880), (19, 3789360), (20, 3599892), (24, 2999910), (30, 2399928), (36, 1999940), (38, 1894680), (40, 1799946), (45, 1599952), (48, 1499955), (57, 1263120), (60, 1199964), (72, 999970), (76, 947340), (80, 899973), (90, 799976), (95, 757872), (114, 631560), (120, 599982), (144, 499985), (152, 473670), (171, 421040), (180, 399988), (190, 378936), (228, 315780), (240, 299991), (277, 259920), (285, 252624), (304, 236835), (342, 210520), (360, 199994), (361, 199440), (380, 189468), (456, 157890), (554, 129960), (570, 126312), (684, 105260), (720, 99997), (722, 99720), (760, 94734), (831, 86640), (855, 84208), (912, 78945), (1083, 66480), (1108, 64980), (1140, 63156), (1368, 52630), (1385, 51984), (1444, 49860), (1520, 47367), (1662, 43320), (1710, 42104), (1805, 39888), (2166, 33240), (2216, 32490), (2280, 31578), (2493, 28880), (2736, 26315), (2770, 25992), (2888, 24930), (3249, 22160), (3324, 21660), (3420, 21052), (3610, 19944), (4155, 17328), (4332, 16620), (4432, 16245), (4560, 15789), (4986, 14440), (5263, 13680), (5415, 13296), (5540, 12996), (5776, 12465), (6498, 11080), (6648, 10830), (6840, 10526), (7220, 9972), (8310, 8664)]