2152978920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:717

約数の個数: 256

約数和(自身を含む): 7603200000

約数和(自身を除く): 5450221080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 239, 270, 285, 342, 360, 380, 439, 456, 478, 513, 540, 570, 684, 717, 760, 855, 878, 956, 1026, 1080, 1140, 1195, 1317, 1368, 1434, 1710, 1756, 1912, 2052, 2151, 2195, 2280, 2390, 2565, 2634, 2868, 3420, 3512, 3585, 3951, 4104, 4302, 4390, 4541, 4780, 5130, 5268, 5736, 6453, 6585, 6840, 7170, 7902, 8341, 8604, 8780, 9082, 9560, 10260, 10536, 10755, 11853, 12906, 13170, 13623, 14340, 15804, 16682, 17208, 17560, 18164, 19755, 20520, 21510, 22705, 23706, 25023, 25812, 26340, 27246, 28680, 31608, 32265, 33364, 36328, 39510, 40869, 41705, 43020, 45410, 47412, 50046, 51624, 52680, 54492, 59265, 64530, 66728, 68115, 75069, 79020, 81738, 83410, 86040, 90820, 94824, 100092, 104921, 108984, 118530, 122607, 125115, 129060, 136230, 150138, 158040, 163476, 166820, 181640, 200184, 204345, 209842, 225207, 237060, 245214, 250230, 258120, 272460, 300276, 314763, 326952, 333640, 375345, 408690, 419684, 450414, 474120, 490428, 500460, 524605, 544920, 600552, 613035, 629526, 750690, 817380, 839368, 900828, 944289, 980856, 1000920, 1049210, 1126035, 1226070, 1259052, 1501380, 1573815, 1634760, 1801656, 1888578, 1993499, 2098420, 2252070, 2452140, 2518104, 2832867, 3002760, 3147630, 3777156, 3986998, 4196840, 4504140, 4721445, 4904280, 5665734, 5980497, 6295260, 7554312, 7973996, 9008280, 9442890, 9967495, 11331468, 11960994, 12590520, 14164335, 15947992, 17941491, 18885780, 19934990, 22662936, 23921988, 28328670, 29902485, 35882982, 37771560, 39869980, 47843976, 53824473, 56657340, 59804970, 71765964, 79739960, 89707455, 107648946, 113314680, 119609940, 143531928, 179414910, 215297892, 239219880, 269122365, 358829820, 430595784, 538244730, 717659640, 1076489460, 2152978920]

約数ペア:

[(1, 2152978920), (2, 1076489460), (3, 717659640), (4, 538244730), (5, 430595784), (6, 358829820), (8, 269122365), (9, 239219880), (10, 215297892), (12, 179414910), (15, 143531928), (18, 119609940), (19, 113314680), (20, 107648946), (24, 89707455), (27, 79739960), (30, 71765964), (36, 59804970), (38, 56657340), (40, 53824473), (45, 47843976), (54, 39869980), (57, 37771560), (60, 35882982), (72, 29902485), (76, 28328670), (90, 23921988), (95, 22662936), (108, 19934990), (114, 18885780), (120, 17941491), (135, 15947992), (152, 14164335), (171, 12590520), (180, 11960994), (190, 11331468), (216, 9967495), (228, 9442890), (239, 9008280), (270, 7973996), (285, 7554312), (342, 6295260), (360, 5980497), (380, 5665734), (439, 4904280), (456, 4721445), (478, 4504140), (513, 4196840), (540, 3986998), (570, 3777156), (684, 3147630), (717, 3002760), (760, 2832867), (855, 2518104), (878, 2452140), (956, 2252070), (1026, 2098420), (1080, 1993499), (1140, 1888578), (1195, 1801656), (1317, 1634760), (1368, 1573815), (1434, 1501380), (1710, 1259052), (1756, 1226070), (1912, 1126035), (2052, 1049210), (2151, 1000920), (2195, 980856), (2280, 944289), (2390, 900828), (2565, 839368), (2634, 817380), (2868, 750690), (3420, 629526), (3512, 613035), (3585, 600552), (3951, 544920), (4104, 524605), (4302, 500460), (4390, 490428), (4541, 474120), (4780, 450414), (5130, 419684), (5268, 408690), (5736, 375345), (6453, 333640), (6585, 326952), (6840, 314763), (7170, 300276), (7902, 272460), (8341, 258120), (8604, 250230), (8780, 245214), (9082, 237060), (9560, 225207), (10260, 209842), (10536, 204345), (10755, 200184), (11853, 181640), (12906, 166820), (13170, 163476), (13623, 158040), (14340, 150138), (15804, 136230), (16682, 129060), (17208, 125115), (17560, 122607), (18164, 118530), (19755, 108984), (20520, 104921), (21510, 100092), (22705, 94824), (23706, 90820), (25023, 86040), (25812, 83410), (26340, 81738), (27246, 79020), (28680, 75069), (31608, 68115), (32265, 66728), (33364, 64530), (36328, 59265), (39510, 54492), (40869, 52680), (41705, 51624), (43020, 50046), (45410, 47412)]