20625020280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{4099}}^1$

素因数の和:5675

約数の個数: 160

約数和(自身を含む): 69384546000

約数和(自身を除く): 48759525720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1553, 1620, 3106, 3240, 4099, 4659, 6212, 7765, 8198, 9318, 12297, 12424, 13977, 15530, 16396, 18636, 20495, 23295, 24594, 27954, 31060, 32792, 36891, 37272, 40990, 41931, 46590, 49188, 55908, 61485, 62120, 69885, 73782, 81980, 83862, 93180, 98376, 110673, 111816, 122970, 125793, 139770, 147564, 163960, 167724, 184455, 186360, 209655, 221346, 245940, 251586, 279540, 295128, 332019, 335448, 368910, 419310, 442692, 491880, 503172, 553365, 559080, 628965, 664038, 737820, 838620, 885384, 1006344, 1106730, 1257930, 1328076, 1475640, 1660095, 1677240, 2213460, 2515860, 2656152, 3320190, 4426920, 5031720, 6365747, 6640380, 12731494, 13280760, 19097241, 25462988, 31828735, 38194482, 50925976, 57291723, 63657470, 76388964, 95486205, 114583446, 127314940, 152777928, 171875169, 190972410, 229166892, 254629880, 286458615, 343750338, 381944820, 458333784, 515625507, 572917230, 687500676, 763889640, 859375845, 1031251014, 1145834460, 1375001352, 1718751690, 2062502028, 2291668920, 2578127535, 3437503380, 4125004056, 5156255070, 6875006760, 10312510140, 20625020280]

約数ペア:

[(1, 20625020280), (2, 10312510140), (3, 6875006760), (4, 5156255070), (5, 4125004056), (6, 3437503380), (8, 2578127535), (9, 2291668920), (10, 2062502028), (12, 1718751690), (15, 1375001352), (18, 1145834460), (20, 1031251014), (24, 859375845), (27, 763889640), (30, 687500676), (36, 572917230), (40, 515625507), (45, 458333784), (54, 381944820), (60, 343750338), (72, 286458615), (81, 254629880), (90, 229166892), (108, 190972410), (120, 171875169), (135, 152777928), (162, 127314940), (180, 114583446), (216, 95486205), (270, 76388964), (324, 63657470), (360, 57291723), (405, 50925976), (540, 38194482), (648, 31828735), (810, 25462988), (1080, 19097241), (1553, 13280760), (1620, 12731494), (3106, 6640380), (3240, 6365747), (4099, 5031720), (4659, 4426920), (6212, 3320190), (7765, 2656152), (8198, 2515860), (9318, 2213460), (12297, 1677240), (12424, 1660095), (13977, 1475640), (15530, 1328076), (16396, 1257930), (18636, 1106730), (20495, 1006344), (23295, 885384), (24594, 838620), (27954, 737820), (31060, 664038), (32792, 628965), (36891, 559080), (37272, 553365), (40990, 503172), (41931, 491880), (46590, 442692), (49188, 419310), (55908, 368910), (61485, 335448), (62120, 332019), (69885, 295128), (73782, 279540), (81980, 251586), (83862, 245940), (93180, 221346), (98376, 209655), (110673, 186360), (111816, 184455), (122970, 167724), (125793, 163960), (139770, 147564)]