74437720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3203}}^1$

素因数の和:3304

約数の個数: 64

約数和(自身を含む): 193777920

約数和(自身を除く): 119340200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3203, 3320, 4648, 5810, 6406, 11620, 12812, 16015, 22421, 23240, 25624, 32030, 44842, 64060, 89684, 112105, 128120, 179368, 224210, 265849, 448420, 531698, 896840, 1063396, 1329245, 1860943, 2126792, 2658490, 3721886, 5316980, 7443772, 9304715, 10633960, 14887544, 18609430, 37218860, 74437720]

約数ペア:

[(1, 74437720), (2, 37218860), (4, 18609430), (5, 14887544), (7, 10633960), (8, 9304715), (10, 7443772), (14, 5316980), (20, 3721886), (28, 2658490), (35, 2126792), (40, 1860943), (56, 1329245), (70, 1063396), (83, 896840), (140, 531698), (166, 448420), (280, 265849), (332, 224210), (415, 179368), (581, 128120), (664, 112105), (830, 89684), (1162, 64060), (1660, 44842), (2324, 32030), (2905, 25624), (3203, 23240), (3320, 22421), (4648, 16015), (5810, 12812), (6406, 11620)]