2018972280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{7481}}^1$

素因数の和:7681

約数の個数: 128

約数和(自身を含む): 6561414720

約数和(自身を除く): 4542442440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 173, 195, 260, 312, 346, 390, 519, 520, 692, 780, 865, 1038, 1384, 1560, 1730, 2076, 2249, 2595, 3460, 4152, 4498, 5190, 6747, 6920, 7481, 8996, 10380, 11245, 13494, 14962, 17992, 20760, 22443, 22490, 26988, 29924, 33735, 37405, 44886, 44980, 53976, 59848, 67470, 74810, 89772, 89960, 97253, 112215, 134940, 149620, 179544, 194506, 224430, 269880, 291759, 299240, 389012, 448860, 486265, 583518, 778024, 897720, 972530, 1167036, 1294213, 1458795, 1945060, 2334072, 2588426, 2917590, 3882639, 3890120, 5176852, 5835180, 6471065, 7765278, 10353704, 11670360, 12942130, 15530556, 16824769, 19413195, 25884260, 31061112, 33649538, 38826390, 50474307, 51768520, 67299076, 77652780, 84123845, 100948614, 134598152, 155305560, 168247690, 201897228, 252371535, 336495380, 403794456, 504743070, 672990760, 1009486140, 2018972280]

約数ペア:

[(1, 2018972280), (2, 1009486140), (3, 672990760), (4, 504743070), (5, 403794456), (6, 336495380), (8, 252371535), (10, 201897228), (12, 168247690), (13, 155305560), (15, 134598152), (20, 100948614), (24, 84123845), (26, 77652780), (30, 67299076), (39, 51768520), (40, 50474307), (52, 38826390), (60, 33649538), (65, 31061112), (78, 25884260), (104, 19413195), (120, 16824769), (130, 15530556), (156, 12942130), (173, 11670360), (195, 10353704), (260, 7765278), (312, 6471065), (346, 5835180), (390, 5176852), (519, 3890120), (520, 3882639), (692, 2917590), (780, 2588426), (865, 2334072), (1038, 1945060), (1384, 1458795), (1560, 1294213), (1730, 1167036), (2076, 972530), (2249, 897720), (2595, 778024), (3460, 583518), (4152, 486265), (4498, 448860), (5190, 389012), (6747, 299240), (6920, 291759), (7481, 269880), (8996, 224430), (10380, 194506), (11245, 179544), (13494, 149620), (14962, 134940), (17992, 112215), (20760, 97253), (22443, 89960), (22490, 89772), (26988, 74810), (29924, 67470), (33735, 59848), (37405, 53976), (44886, 44980)]