80476020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23531}}^1$

素因数の和:23565

約数の個数: 72

約数和(自身を含む): 256969440

約数和(自身を除く): 176493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23531, 47062, 70593, 94124, 117655, 141186, 211779, 235310, 282372, 352965, 423558, 447089, 470620, 705930, 847116, 894178, 1058895, 1341267, 1411860, 1788356, 2117790, 2235445, 2682534, 4023801, 4235580, 4470890, 5365068, 6706335, 8047602, 8941780, 13412670, 16095204, 20119005, 26825340, 40238010, 80476020]

約数ペア:

[(1, 80476020), (2, 40238010), (3, 26825340), (4, 20119005), (5, 16095204), (6, 13412670), (9, 8941780), (10, 8047602), (12, 6706335), (15, 5365068), (18, 4470890), (19, 4235580), (20, 4023801), (30, 2682534), (36, 2235445), (38, 2117790), (45, 1788356), (57, 1411860), (60, 1341267), (76, 1058895), (90, 894178), (95, 847116), (114, 705930), (171, 470620), (180, 447089), (190, 423558), (228, 352965), (285, 282372), (342, 235310), (380, 211779), (570, 141186), (684, 117655), (855, 94124), (1140, 70593), (1710, 47062), (3420, 23531)]