64456740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 210712320

約数和(自身を除く): 146255580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 401, 423, 470, 564, 570, 684, 705, 802, 846, 855, 893, 940, 1140, 1203, 1410, 1604, 1692, 1710, 1786, 2005, 2115, 2406, 2679, 2820, 3420, 3572, 3609, 4010, 4230, 4465, 4812, 5358, 6015, 7218, 7619, 8020, 8037, 8460, 8930, 10716, 12030, 13395, 14436, 15238, 16074, 17860, 18045, 18847, 22857, 24060, 26790, 30476, 32148, 36090, 37694, 38095, 40185, 45714, 53580, 56541, 68571, 72180, 75388, 76190, 80370, 91428, 94235, 113082, 114285, 137142, 152380, 160740, 169623, 188470, 226164, 228570, 274284, 282705, 339246, 342855, 358093, 376940, 457140, 565410, 678492, 685710, 716186, 848115, 1074279, 1130820, 1371420, 1432372, 1696230, 1790465, 2148558, 3222837, 3392460, 3580930, 4297116, 5371395, 6445674, 7161860, 10742790, 12891348, 16114185, 21485580, 32228370, 64456740]

約数ペア:

[(1, 64456740), (2, 32228370), (3, 21485580), (4, 16114185), (5, 12891348), (6, 10742790), (9, 7161860), (10, 6445674), (12, 5371395), (15, 4297116), (18, 3580930), (19, 3392460), (20, 3222837), (30, 2148558), (36, 1790465), (38, 1696230), (45, 1432372), (47, 1371420), (57, 1130820), (60, 1074279), (76, 848115), (90, 716186), (94, 685710), (95, 678492), (114, 565410), (141, 457140), (171, 376940), (180, 358093), (188, 342855), (190, 339246), (228, 282705), (235, 274284), (282, 228570), (285, 226164), (342, 188470), (380, 169623), (401, 160740), (423, 152380), (470, 137142), (564, 114285), (570, 113082), (684, 94235), (705, 91428), (802, 80370), (846, 76190), (855, 75388), (893, 72180), (940, 68571), (1140, 56541), (1203, 53580), (1410, 45714), (1604, 40185), (1692, 38095), (1710, 37694), (1786, 36090), (2005, 32148), (2115, 30476), (2406, 26790), (2679, 24060), (2820, 22857), (3420, 18847), (3572, 18045), (3609, 17860), (4010, 16074), (4230, 15238), (4465, 14436), (4812, 13395), (5358, 12030), (6015, 10716), (7218, 8930), (7619, 8460), (8020, 8037)]