165536840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4513}}^1$

素因数の和:4662

約数の個数: 64

約数和(自身を含む): 429010560

約数和(自身を除く): 263473720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4513, 4585, 5240, 7336, 9026, 9170, 18052, 18340, 22565, 31591, 36104, 36680, 45130, 63182, 90260, 126364, 157955, 180520, 252728, 315910, 591203, 631820, 1182406, 1263640, 2364812, 2956015, 4138421, 4729624, 5912030, 8276842, 11824060, 16553684, 20692105, 23648120, 33107368, 41384210, 82768420, 165536840]

約数ペア:

[(1, 165536840), (2, 82768420), (4, 41384210), (5, 33107368), (7, 23648120), (8, 20692105), (10, 16553684), (14, 11824060), (20, 8276842), (28, 5912030), (35, 4729624), (40, 4138421), (56, 2956015), (70, 2364812), (131, 1263640), (140, 1182406), (262, 631820), (280, 591203), (524, 315910), (655, 252728), (917, 180520), (1048, 157955), (1310, 126364), (1834, 90260), (2620, 63182), (3668, 45130), (4513, 36680), (4585, 36104), (5240, 31591), (7336, 22565), (9026, 18340), (9170, 18052)]