72345730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 144789120

約数和(自身を除く): 72443390

約数列:

[1, 2, 5, 10, 19, 37, 38, 41, 74, 82, 95, 185, 190, 205, 251, 370, 410, 502, 703, 779, 1255, 1406, 1517, 1558, 2510, 3034, 3515, 3895, 4769, 7030, 7585, 7790, 9287, 9538, 10291, 15170, 18574, 20582, 23845, 28823, 46435, 47690, 51455, 57646, 92870, 102910, 144115, 176453, 195529, 288230, 352906, 380767, 391058, 761534, 882265, 977645, 1764530, 1903835, 1955290, 3807670, 7234573, 14469146, 36172865, 72345730]

約数ペア:

[(1, 72345730), (2, 36172865), (5, 14469146), (10, 7234573), (19, 3807670), (37, 1955290), (38, 1903835), (41, 1764530), (74, 977645), (82, 882265), (95, 761534), (185, 391058), (190, 380767), (205, 352906), (251, 288230), (370, 195529), (410, 176453), (502, 144115), (703, 102910), (779, 92870), (1255, 57646), (1406, 51455), (1517, 47690), (1558, 46435), (2510, 28823), (3034, 23845), (3515, 20582), (3895, 18574), (4769, 15170), (7030, 10291), (7585, 9538), (7790, 9287)]