82789840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 157194800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 251, 266, 280, 304, 310, 380, 434, 496, 502, 532, 560, 589, 620, 665, 760, 868, 1004, 1064, 1085, 1178, 1240, 1255, 1330, 1520, 1736, 1757, 2008, 2128, 2170, 2356, 2480, 2510, 2660, 2945, 3472, 3514, 4016, 4123, 4340, 4712, 4769, 5020, 5320, 5890, 7028, 7781, 8246, 8680, 8785, 9424, 9538, 10040, 10640, 11780, 14056, 15562, 16492, 17360, 17570, 19076, 20080, 20615, 23560, 23845, 28112, 31124, 32984, 33383, 35140, 38152, 38905, 41230, 47120, 47690, 54467, 62248, 65968, 66766, 70280, 76304, 77810, 82460, 95380, 108934, 124496, 133532, 140560, 147839, 155620, 164920, 166915, 190760, 217868, 267064, 272335, 295678, 311240, 329840, 333830, 381520, 435736, 534128, 544670, 591356, 622480, 667660, 739195, 871472, 1034873, 1089340, 1182712, 1335320, 1478390, 2069746, 2178680, 2365424, 2670640, 2956780, 4139492, 4357360, 5174365, 5913560, 8278984, 10348730, 11827120, 16557968, 20697460, 41394920, 82789840]

約数ペア:

[(1, 82789840), (2, 41394920), (4, 20697460), (5, 16557968), (7, 11827120), (8, 10348730), (10, 8278984), (14, 5913560), (16, 5174365), (19, 4357360), (20, 4139492), (28, 2956780), (31, 2670640), (35, 2365424), (38, 2178680), (40, 2069746), (56, 1478390), (62, 1335320), (70, 1182712), (76, 1089340), (80, 1034873), (95, 871472), (112, 739195), (124, 667660), (133, 622480), (140, 591356), (152, 544670), (155, 534128), (190, 435736), (217, 381520), (248, 333830), (251, 329840), (266, 311240), (280, 295678), (304, 272335), (310, 267064), (380, 217868), (434, 190760), (496, 166915), (502, 164920), (532, 155620), (560, 147839), (589, 140560), (620, 133532), (665, 124496), (760, 108934), (868, 95380), (1004, 82460), (1064, 77810), (1085, 76304), (1178, 70280), (1240, 66766), (1255, 65968), (1330, 62248), (1520, 54467), (1736, 47690), (1757, 47120), (2008, 41230), (2128, 38905), (2170, 38152), (2356, 35140), (2480, 33383), (2510, 32984), (2660, 31124), (2945, 28112), (3472, 23845), (3514, 23560), (4016, 20615), (4123, 20080), (4340, 19076), (4712, 17570), (4769, 17360), (5020, 16492), (5320, 15562), (5890, 14056), (7028, 11780), (7781, 10640), (8246, 10040), (8680, 9538), (8785, 9424)]