245791980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10267}}^1$

素因数の和:10308

約数の個数: 144

約数和(自身を含む): 897012480

約数和(自身を除く): 651220500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 10267, 11970, 20534, 23940, 30801, 41068, 51335, 61602, 71869, 92403, 102670, 123204, 143738, 154005, 184806, 195073, 205340, 215607, 287476, 308010, 359345, 369612, 390146, 431214, 462015, 585219, 616020, 646821, 718690, 780292, 862428, 924030, 975365, 1078035, 1170438, 1293642, 1365511, 1437380, 1755657, 1848060, 1950730, 2156070, 2340876, 2587284, 2731022, 2926095, 3234105, 3511314, 3901460, 4096533, 4312140, 5462044, 5852190, 6468210, 6827555, 7022628, 8193066, 8778285, 11704380, 12289599, 12936420, 13655110, 16386132, 17556570, 20482665, 24579198, 27310220, 35113140, 40965330, 49158396, 61447995, 81930660, 122895990, 245791980]

約数ペア:

[(1, 245791980), (2, 122895990), (3, 81930660), (4, 61447995), (5, 49158396), (6, 40965330), (7, 35113140), (9, 27310220), (10, 24579198), (12, 20482665), (14, 17556570), (15, 16386132), (18, 13655110), (19, 12936420), (20, 12289599), (21, 11704380), (28, 8778285), (30, 8193066), (35, 7022628), (36, 6827555), (38, 6468210), (42, 5852190), (45, 5462044), (57, 4312140), (60, 4096533), (63, 3901460), (70, 3511314), (76, 3234105), (84, 2926095), (90, 2731022), (95, 2587284), (105, 2340876), (114, 2156070), (126, 1950730), (133, 1848060), (140, 1755657), (171, 1437380), (180, 1365511), (190, 1293642), (210, 1170438), (228, 1078035), (252, 975365), (266, 924030), (285, 862428), (315, 780292), (342, 718690), (380, 646821), (399, 616020), (420, 585219), (532, 462015), (570, 431214), (630, 390146), (665, 369612), (684, 359345), (798, 308010), (855, 287476), (1140, 215607), (1197, 205340), (1260, 195073), (1330, 184806), (1596, 154005), (1710, 143738), (1995, 123204), (2394, 102670), (2660, 92403), (3420, 71869), (3990, 61602), (4788, 51335), (5985, 41068), (7980, 30801), (10267, 23940), (11970, 20534)]