64402380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 226437120

約数和(自身を除く): 162034740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 647, 711, 790, 948, 1106, 1185, 1260, 1294, 1422, 1580, 1659, 1941, 2212, 2370, 2588, 2765, 2844, 3235, 3318, 3555, 3882, 4529, 4740, 4977, 5530, 5823, 6470, 6636, 7110, 7764, 8295, 9058, 9705, 9954, 11060, 11646, 12940, 13587, 14220, 16590, 18116, 19410, 19908, 22645, 23292, 24885, 27174, 29115, 33180, 38820, 40761, 45290, 49770, 51113, 54348, 58230, 67935, 81522, 90580, 99540, 102226, 116460, 135870, 153339, 163044, 203805, 204452, 255565, 271740, 306678, 357791, 407610, 460017, 511130, 613356, 715582, 766695, 815220, 920034, 1022260, 1073373, 1431164, 1533390, 1788955, 1840068, 2146746, 2300085, 3066780, 3220119, 3577910, 4293492, 4600170, 5366865, 6440238, 7155820, 9200340, 10733730, 12880476, 16100595, 21467460, 32201190, 64402380]

約数ペア:

[(1, 64402380), (2, 32201190), (3, 21467460), (4, 16100595), (5, 12880476), (6, 10733730), (7, 9200340), (9, 7155820), (10, 6440238), (12, 5366865), (14, 4600170), (15, 4293492), (18, 3577910), (20, 3220119), (21, 3066780), (28, 2300085), (30, 2146746), (35, 1840068), (36, 1788955), (42, 1533390), (45, 1431164), (60, 1073373), (63, 1022260), (70, 920034), (79, 815220), (84, 766695), (90, 715582), (105, 613356), (126, 511130), (140, 460017), (158, 407610), (180, 357791), (210, 306678), (237, 271740), (252, 255565), (315, 204452), (316, 203805), (395, 163044), (420, 153339), (474, 135870), (553, 116460), (630, 102226), (647, 99540), (711, 90580), (790, 81522), (948, 67935), (1106, 58230), (1185, 54348), (1260, 51113), (1294, 49770), (1422, 45290), (1580, 40761), (1659, 38820), (1941, 33180), (2212, 29115), (2370, 27174), (2588, 24885), (2765, 23292), (2844, 22645), (3235, 19908), (3318, 19410), (3555, 18116), (3882, 16590), (4529, 14220), (4740, 13587), (4977, 12940), (5530, 11646), (5823, 11060), (6470, 9954), (6636, 9705), (7110, 9058), (7764, 8295)]