68640540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3169}}^1$

素因数の和:3219

約数の個数: 72

約数和(自身を含む): 202905360

約数和(自身を除く): 134264820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3169, 3610, 4332, 5415, 6338, 7220, 9507, 10830, 12676, 15845, 19014, 21660, 31690, 38028, 47535, 60211, 63380, 95070, 120422, 180633, 190140, 240844, 301055, 361266, 602110, 722532, 903165, 1144009, 1204220, 1806330, 2288018, 3432027, 3612660, 4576036, 5720045, 6864054, 11440090, 13728108, 17160135, 22880180, 34320270, 68640540]

約数ペア:

[(1, 68640540), (2, 34320270), (3, 22880180), (4, 17160135), (5, 13728108), (6, 11440090), (10, 6864054), (12, 5720045), (15, 4576036), (19, 3612660), (20, 3432027), (30, 2288018), (38, 1806330), (57, 1204220), (60, 1144009), (76, 903165), (95, 722532), (114, 602110), (190, 361266), (228, 301055), (285, 240844), (361, 190140), (380, 180633), (570, 120422), (722, 95070), (1083, 63380), (1140, 60211), (1444, 47535), (1805, 38028), (2166, 31690), (3169, 21660), (3610, 19014), (4332, 15845), (5415, 12676), (6338, 10830), (7220, 9507)]