312650240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 160

約数和(自身を含む): 872087040

約数和(自身を除く): 559436800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 239, 256, 280, 292, 320, 365, 448, 478, 511, 512, 560, 584, 640, 730, 896, 956, 1022, 1120, 1168, 1195, 1280, 1460, 1673, 1792, 1912, 2044, 2240, 2336, 2390, 2555, 2560, 2920, 3346, 3584, 3824, 4088, 4480, 4672, 4780, 5110, 5840, 6692, 7648, 8176, 8365, 8960, 9344, 9560, 10220, 11680, 13384, 15296, 16352, 16730, 17447, 17920, 18688, 19120, 20440, 23360, 26768, 30592, 32704, 33460, 34894, 37376, 38240, 40880, 46720, 53536, 61184, 65408, 66920, 69788, 76480, 81760, 87235, 93440, 107072, 122129, 122368, 130816, 133840, 139576, 152960, 163520, 174470, 186880, 214144, 244258, 261632, 267680, 279152, 305920, 327040, 348940, 428288, 488516, 535360, 558304, 610645, 611840, 654080, 697880, 856576, 977032, 1070720, 1116608, 1221290, 1308160, 1395760, 1954064, 2141440, 2233216, 2442580, 2791520, 3908128, 4282880, 4466432, 4885160, 5583040, 7816256, 8932864, 9770320, 11166080, 15632512, 19540640, 22332160, 31265024, 39081280, 44664320, 62530048, 78162560, 156325120, 312650240]

約数ペア:

[(1, 312650240), (2, 156325120), (4, 78162560), (5, 62530048), (7, 44664320), (8, 39081280), (10, 31265024), (14, 22332160), (16, 19540640), (20, 15632512), (28, 11166080), (32, 9770320), (35, 8932864), (40, 7816256), (56, 5583040), (64, 4885160), (70, 4466432), (73, 4282880), (80, 3908128), (112, 2791520), (128, 2442580), (140, 2233216), (146, 2141440), (160, 1954064), (224, 1395760), (239, 1308160), (256, 1221290), (280, 1116608), (292, 1070720), (320, 977032), (365, 856576), (448, 697880), (478, 654080), (511, 611840), (512, 610645), (560, 558304), (584, 535360), (640, 488516), (730, 428288), (896, 348940), (956, 327040), (1022, 305920), (1120, 279152), (1168, 267680), (1195, 261632), (1280, 244258), (1460, 214144), (1673, 186880), (1792, 174470), (1912, 163520), (2044, 152960), (2240, 139576), (2336, 133840), (2390, 130816), (2555, 122368), (2560, 122129), (2920, 107072), (3346, 93440), (3584, 87235), (3824, 81760), (4088, 76480), (4480, 69788), (4672, 66920), (4780, 65408), (5110, 61184), (5840, 53536), (6692, 46720), (7648, 40880), (8176, 38240), (8365, 37376), (8960, 34894), (9344, 33460), (9560, 32704), (10220, 30592), (11680, 26768), (13384, 23360), (15296, 20440), (16352, 19120), (16730, 18688), (17447, 17920)]