251992440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 288

約数和(自身を含む): 991392480

約数和(自身を除く): 739400040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 277, 280, 285, 315, 342, 360, 361, 380, 399, 420, 456, 504, 532, 554, 570, 630, 665, 684, 722, 760, 798, 831, 840, 855, 1064, 1083, 1108, 1140, 1197, 1260, 1330, 1368, 1385, 1444, 1596, 1662, 1710, 1805, 1939, 1995, 2166, 2216, 2280, 2394, 2493, 2520, 2527, 2660, 2770, 2888, 3192, 3249, 3324, 3420, 3610, 3878, 3990, 4155, 4332, 4788, 4986, 5054, 5263, 5320, 5415, 5540, 5817, 5985, 6498, 6648, 6840, 7220, 7581, 7756, 7980, 8310, 8664, 9576, 9695, 9972, 10108, 10526, 10830, 11080, 11634, 11970, 12465, 12635, 12996, 14440, 15162, 15512, 15789, 15960, 16245, 16620, 17451, 19390, 19944, 20216, 21052, 21660, 22743, 23268, 23940, 24930, 25270, 25992, 26315, 29085, 30324, 31578, 32490, 33240, 34902, 36841, 37905, 38780, 42104, 43320, 45486, 46536, 47367, 47880, 49860, 50540, 52630, 58170, 60648, 63156, 64980, 69804, 73682, 75810, 77560, 78945, 87255, 90972, 94734, 99720, 99997, 101080, 105260, 110523, 113715, 116340, 126312, 129960, 139608, 147364, 151620, 157890, 174510, 181944, 184205, 189468, 199994, 210520, 221046, 227430, 232680, 236835, 294728, 299991, 303240, 315780, 331569, 349020, 368410, 378936, 399988, 442092, 454860, 473670, 499985, 552615, 599982, 631560, 663138, 698040, 699979, 736820, 799976, 884184, 899973, 909720, 947340, 999970, 1105230, 1199964, 1326276, 1399958, 1473640, 1499955, 1657845, 1799946, 1894680, 1999940, 2099937, 2210460, 2399928, 2652552, 2799916, 2999910, 3315690, 3499895, 3599892, 3999880, 4199874, 4420920, 4499865, 5599832, 5999820, 6299811, 6631380, 6999790, 7199784, 8399748, 8999730, 10499685, 11999640, 12599622, 13262760, 13999580, 16799496, 17999460, 20999370, 25199244, 27999160, 31499055, 35998920, 41998740, 50398488, 62998110, 83997480, 125996220, 251992440]

約数ペア:

[(1, 251992440), (2, 125996220), (3, 83997480), (4, 62998110), (5, 50398488), (6, 41998740), (7, 35998920), (8, 31499055), (9, 27999160), (10, 25199244), (12, 20999370), (14, 17999460), (15, 16799496), (18, 13999580), (19, 13262760), (20, 12599622), (21, 11999640), (24, 10499685), (28, 8999730), (30, 8399748), (35, 7199784), (36, 6999790), (38, 6631380), (40, 6299811), (42, 5999820), (45, 5599832), (56, 4499865), (57, 4420920), (60, 4199874), (63, 3999880), (70, 3599892), (72, 3499895), (76, 3315690), (84, 2999910), (90, 2799916), (95, 2652552), (105, 2399928), (114, 2210460), (120, 2099937), (126, 1999940), (133, 1894680), (140, 1799946), (152, 1657845), (168, 1499955), (171, 1473640), (180, 1399958), (190, 1326276), (210, 1199964), (228, 1105230), (252, 999970), (266, 947340), (277, 909720), (280, 899973), (285, 884184), (315, 799976), (342, 736820), (360, 699979), (361, 698040), (380, 663138), (399, 631560), (420, 599982), (456, 552615), (504, 499985), (532, 473670), (554, 454860), (570, 442092), (630, 399988), (665, 378936), (684, 368410), (722, 349020), (760, 331569), (798, 315780), (831, 303240), (840, 299991), (855, 294728), (1064, 236835), (1083, 232680), (1108, 227430), (1140, 221046), (1197, 210520), (1260, 199994), (1330, 189468), (1368, 184205), (1385, 181944), (1444, 174510), (1596, 157890), (1662, 151620), (1710, 147364), (1805, 139608), (1939, 129960), (1995, 126312), (2166, 116340), (2216, 113715), (2280, 110523), (2394, 105260), (2493, 101080), (2520, 99997), (2527, 99720), (2660, 94734), (2770, 90972), (2888, 87255), (3192, 78945), (3249, 77560), (3324, 75810), (3420, 73682), (3610, 69804), (3878, 64980), (3990, 63156), (4155, 60648), (4332, 58170), (4788, 52630), (4986, 50540), (5054, 49860), (5263, 47880), (5320, 47367), (5415, 46536), (5540, 45486), (5817, 43320), (5985, 42104), (6498, 38780), (6648, 37905), (6840, 36841), (7220, 34902), (7581, 33240), (7756, 32490), (7980, 31578), (8310, 30324), (8664, 29085), (9576, 26315), (9695, 25992), (9972, 25270), (10108, 24930), (10526, 23940), (10830, 23268), (11080, 22743), (11634, 21660), (11970, 21052), (12465, 20216), (12635, 19944), (12996, 19390), (14440, 17451), (15162, 16620), (15512, 16245), (15789, 15960)]