79488780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1468

約数の個数: 144

約数和(自身を含む): 272724480

約数和(自身を除く): 193235700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1423, 1470, 1596, 1862, 1995, 2660, 2793, 2846, 2940, 3724, 3990, 4269, 4655, 5586, 5692, 7115, 7980, 8538, 9310, 9961, 11172, 13965, 14230, 17076, 18620, 19922, 21345, 27037, 27930, 28460, 29883, 39844, 42690, 49805, 54074, 55860, 59766, 69727, 81111, 85380, 99610, 108148, 119532, 135185, 139454, 149415, 162222, 189259, 199220, 209181, 270370, 278908, 298830, 324444, 348635, 378518, 405555, 418362, 540740, 567777, 597660, 697270, 757036, 811110, 836724, 946295, 1045905, 1135554, 1324813, 1394540, 1622220, 1892590, 2091810, 2271108, 2649626, 2838885, 3785180, 3974439, 4183620, 5299252, 5677770, 6624065, 7948878, 11355540, 13248130, 15897756, 19872195, 26496260, 39744390, 79488780]

約数ペア:

[(1, 79488780), (2, 39744390), (3, 26496260), (4, 19872195), (5, 15897756), (6, 13248130), (7, 11355540), (10, 7948878), (12, 6624065), (14, 5677770), (15, 5299252), (19, 4183620), (20, 3974439), (21, 3785180), (28, 2838885), (30, 2649626), (35, 2271108), (38, 2091810), (42, 1892590), (49, 1622220), (57, 1394540), (60, 1324813), (70, 1135554), (76, 1045905), (84, 946295), (95, 836724), (98, 811110), (105, 757036), (114, 697270), (133, 597660), (140, 567777), (147, 540740), (190, 418362), (196, 405555), (210, 378518), (228, 348635), (245, 324444), (266, 298830), (285, 278908), (294, 270370), (380, 209181), (399, 199220), (420, 189259), (490, 162222), (532, 149415), (570, 139454), (588, 135185), (665, 119532), (735, 108148), (798, 99610), (931, 85380), (980, 81111), (1140, 69727), (1330, 59766), (1423, 55860), (1470, 54074), (1596, 49805), (1862, 42690), (1995, 39844), (2660, 29883), (2793, 28460), (2846, 27930), (2940, 27037), (3724, 21345), (3990, 19922), (4269, 18620), (4655, 17076), (5586, 14230), (5692, 13965), (7115, 11172), (7980, 9961), (8538, 9310)]