641003760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15619}}^1$

素因数の和:15660

約数の個数: 160

約数和(自身を含む): 2324256000

約数和(自身を除く): 1683252240

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, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 15619, 20520, 31238, 41040, 46857, 62476, 78095, 93714, 124952, 140571, 156190, 187428, 234285, 249904, 281142, 296761, 312380, 374856, 421713, 468570, 562284, 593522, 624760, 702855, 749712, 843426, 890283, 937140, 1124568, 1187044, 1249520, 1405710, 1483805, 1686852, 1780566, 1874280, 2108565, 2249136, 2374088, 2670849, 2811420, 2967610, 3373704, 3561132, 3748560, 4217130, 4451415, 4748176, 5341698, 5622840, 5935220, 6747408, 7122264, 8012547, 8434260, 8902830, 10683396, 11245680, 11870440, 13354245, 14244528, 16025094, 16868520, 17805660, 21366792, 23740880, 26708490, 32050188, 33737040, 35611320, 40062735, 42733584, 53416980, 64100376, 71222640, 80125470, 106833960, 128200752, 160250940, 213667920, 320501880, 641003760]

約数ペア:

[(1, 641003760), (2, 320501880), (3, 213667920), (4, 160250940), (5, 128200752), (6, 106833960), (8, 80125470), (9, 71222640), (10, 64100376), (12, 53416980), (15, 42733584), (16, 40062735), (18, 35611320), (19, 33737040), (20, 32050188), (24, 26708490), (27, 23740880), (30, 21366792), (36, 17805660), (38, 16868520), (40, 16025094), (45, 14244528), (48, 13354245), (54, 11870440), (57, 11245680), (60, 10683396), (72, 8902830), (76, 8434260), (80, 8012547), (90, 7122264), (95, 6747408), (108, 5935220), (114, 5622840), (120, 5341698), (135, 4748176), (144, 4451415), (152, 4217130), (171, 3748560), (180, 3561132), (190, 3373704), (216, 2967610), (228, 2811420), (240, 2670849), (270, 2374088), (285, 2249136), (304, 2108565), (342, 1874280), (360, 1780566), (380, 1686852), (432, 1483805), (456, 1405710), (513, 1249520), (540, 1187044), (570, 1124568), (684, 937140), (720, 890283), (760, 843426), (855, 749712), (912, 702855), (1026, 624760), (1080, 593522), (1140, 562284), (1368, 468570), (1520, 421713), (1710, 374856), (2052, 312380), (2160, 296761), (2280, 281142), (2565, 249904), (2736, 234285), (3420, 187428), (4104, 156190), (4560, 140571), (5130, 124952), (6840, 93714), (8208, 78095), (10260, 62476), (13680, 46857), (15619, 41040), (20520, 31238)]