31841026280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{8969}}^1$

素因数の和:9427

約数の個数: 128

約数和(自身を含む): 84734208000

約数和(自身を除く): 52893181720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 409, 434, 620, 818, 868, 1085, 1240, 1636, 1736, 2045, 2170, 2863, 3272, 4090, 4340, 5726, 8180, 8680, 8969, 11452, 12679, 14315, 16360, 17938, 22904, 25358, 28630, 35876, 44845, 50716, 57260, 62783, 63395, 71752, 88753, 89690, 101432, 114520, 125566, 126790, 177506, 179380, 251132, 253580, 278039, 313915, 355012, 358760, 443765, 502264, 507160, 556078, 627830, 710024, 887530, 1112156, 1255660, 1390195, 1775060, 1946273, 2224312, 2511320, 2780390, 3550120, 3668321, 3892546, 5560780, 7336642, 7785092, 9731365, 11121560, 14673284, 15570184, 18341605, 19462730, 25678247, 29346568, 36683210, 38925460, 51356494, 73366420, 77850920, 102712988, 113717951, 128391235, 146732840, 205425976, 227435902, 256782470, 454871804, 513564940, 568589755, 796025657, 909743608, 1027129880, 1137179510, 1592051314, 2274359020, 3184102628, 3980128285, 4548718040, 6368205256, 7960256570, 15920513140, 31841026280]

約数ペア:

[(1, 31841026280), (2, 15920513140), (4, 7960256570), (5, 6368205256), (7, 4548718040), (8, 3980128285), (10, 3184102628), (14, 2274359020), (20, 1592051314), (28, 1137179510), (31, 1027129880), (35, 909743608), (40, 796025657), (56, 568589755), (62, 513564940), (70, 454871804), (124, 256782470), (140, 227435902), (155, 205425976), (217, 146732840), (248, 128391235), (280, 113717951), (310, 102712988), (409, 77850920), (434, 73366420), (620, 51356494), (818, 38925460), (868, 36683210), (1085, 29346568), (1240, 25678247), (1636, 19462730), (1736, 18341605), (2045, 15570184), (2170, 14673284), (2863, 11121560), (3272, 9731365), (4090, 7785092), (4340, 7336642), (5726, 5560780), (8180, 3892546), (8680, 3668321), (8969, 3550120), (11452, 2780390), (12679, 2511320), (14315, 2224312), (16360, 1946273), (17938, 1775060), (22904, 1390195), (25358, 1255660), (28630, 1112156), (35876, 887530), (44845, 710024), (50716, 627830), (57260, 556078), (62783, 507160), (63395, 502264), (71752, 443765), (88753, 358760), (89690, 355012), (101432, 313915), (114520, 278039), (125566, 253580), (126790, 251132), (177506, 179380)]