172734640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4051}}^1$

素因数の和:4118

約数の個数: 80

約数和(自身を含む): 443159136

約数和(自身を除く): 270424496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4051, 4264, 5330, 8102, 8528, 10660, 16204, 20255, 21320, 32408, 40510, 42640, 52663, 64816, 81020, 105326, 162040, 166091, 210652, 263315, 324080, 332182, 421304, 526630, 664364, 830455, 842608, 1053260, 1328728, 1660910, 2106520, 2159183, 2657456, 3321820, 4213040, 4318366, 6643640, 8636732, 10795915, 13287280, 17273464, 21591830, 34546928, 43183660, 86367320, 172734640]

約数ペア:

[(1, 172734640), (2, 86367320), (4, 43183660), (5, 34546928), (8, 21591830), (10, 17273464), (13, 13287280), (16, 10795915), (20, 8636732), (26, 6643640), (40, 4318366), (41, 4213040), (52, 3321820), (65, 2657456), (80, 2159183), (82, 2106520), (104, 1660910), (130, 1328728), (164, 1053260), (205, 842608), (208, 830455), (260, 664364), (328, 526630), (410, 421304), (520, 332182), (533, 324080), (656, 263315), (820, 210652), (1040, 166091), (1066, 162040), (1640, 105326), (2132, 81020), (2665, 64816), (3280, 52663), (4051, 42640), (4264, 40510), (5330, 32408), (8102, 21320), (8528, 20255), (10660, 16204)]