641009700

素因数分解:

$2^2\times 3^8\times 5^2\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 162

約数和(自身を含む): 2088516066

約数和(自身を除く): 1447506366

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 729, 810, 900, 972, 977, 1215, 1350, 1458, 1620, 1954, 2025, 2187, 2430, 2700, 2916, 2931, 3645, 3908, 4050, 4374, 4860, 4885, 5862, 6075, 6561, 7290, 8100, 8748, 8793, 9770, 10935, 11724, 12150, 13122, 14580, 14655, 17586, 18225, 19540, 21870, 24300, 24425, 26244, 26379, 29310, 32805, 35172, 36450, 43740, 43965, 48850, 52758, 54675, 58620, 65610, 72900, 73275, 79137, 87930, 97700, 105516, 109350, 131220, 131895, 146550, 158274, 164025, 175860, 218700, 219825, 237411, 263790, 293100, 316548, 328050, 395685, 439650, 474822, 527580, 656100, 659475, 712233, 791370, 879300, 949644, 1187055, 1318950, 1424466, 1582740, 1978425, 2136699, 2374110, 2637900, 2848932, 3561165, 3956850, 4273398, 4748220, 5935275, 6410097, 7122330, 7913700, 8546796, 10683495, 11870550, 12820194, 14244660, 17805825, 21366990, 23741100, 25640388, 32050485, 35611650, 42733980, 53417475, 64100970, 71223300, 106834950, 128201940, 160252425, 213669900, 320504850, 641009700]

約数ペア:

[(1, 641009700), (2, 320504850), (3, 213669900), (4, 160252425), (5, 128201940), (6, 106834950), (9, 71223300), (10, 64100970), (12, 53417475), (15, 42733980), (18, 35611650), (20, 32050485), (25, 25640388), (27, 23741100), (30, 21366990), (36, 17805825), (45, 14244660), (50, 12820194), (54, 11870550), (60, 10683495), (75, 8546796), (81, 7913700), (90, 7122330), (100, 6410097), (108, 5935275), (135, 4748220), (150, 4273398), (162, 3956850), (180, 3561165), (225, 2848932), (243, 2637900), (270, 2374110), (300, 2136699), (324, 1978425), (405, 1582740), (450, 1424466), (486, 1318950), (540, 1187055), (675, 949644), (729, 879300), (810, 791370), (900, 712233), (972, 659475), (977, 656100), (1215, 527580), (1350, 474822), (1458, 439650), (1620, 395685), (1954, 328050), (2025, 316548), (2187, 293100), (2430, 263790), (2700, 237411), (2916, 219825), (2931, 218700), (3645, 175860), (3908, 164025), (4050, 158274), (4374, 146550), (4860, 131895), (4885, 131220), (5862, 109350), (6075, 105516), (6561, 97700), (7290, 87930), (8100, 79137), (8748, 73275), (8793, 72900), (9770, 65610), (10935, 58620), (11724, 54675), (12150, 52758), (13122, 48850), (14580, 43965), (14655, 43740), (17586, 36450), (18225, 35172), (19540, 32805), (21870, 29310), (24300, 26379), (24425, 26244)]