61620930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 189666360

約数和(自身を除く): 128045430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 89, 90, 98, 105, 126, 147, 157, 178, 210, 245, 267, 294, 314, 315, 441, 445, 471, 490, 534, 623, 630, 735, 785, 801, 882, 890, 942, 1099, 1246, 1335, 1413, 1470, 1570, 1602, 1869, 2198, 2205, 2355, 2670, 2826, 3115, 3297, 3738, 4005, 4361, 4410, 4710, 5495, 5607, 6230, 6594, 7065, 7693, 8010, 8722, 9345, 9891, 10990, 11214, 13083, 13973, 14130, 15386, 16485, 18690, 19782, 21805, 23079, 26166, 27946, 28035, 32970, 38465, 39249, 41919, 43610, 46158, 49455, 56070, 65415, 69237, 69865, 76930, 78498, 83838, 97811, 98910, 115395, 125757, 130830, 138474, 139730, 195622, 196245, 209595, 230790, 251514, 293433, 346185, 392490, 419190, 489055, 586866, 628785, 684677, 692370, 880299, 978110, 1257570, 1369354, 1467165, 1760598, 2054031, 2934330, 3423385, 4108062, 4401495, 6162093, 6846770, 8802990, 10270155, 12324186, 20540310, 30810465, 61620930]

約数ペア:

[(1, 61620930), (2, 30810465), (3, 20540310), (5, 12324186), (6, 10270155), (7, 8802990), (9, 6846770), (10, 6162093), (14, 4401495), (15, 4108062), (18, 3423385), (21, 2934330), (30, 2054031), (35, 1760598), (42, 1467165), (45, 1369354), (49, 1257570), (63, 978110), (70, 880299), (89, 692370), (90, 684677), (98, 628785), (105, 586866), (126, 489055), (147, 419190), (157, 392490), (178, 346185), (210, 293433), (245, 251514), (267, 230790), (294, 209595), (314, 196245), (315, 195622), (441, 139730), (445, 138474), (471, 130830), (490, 125757), (534, 115395), (623, 98910), (630, 97811), (735, 83838), (785, 78498), (801, 76930), (882, 69865), (890, 69237), (942, 65415), (1099, 56070), (1246, 49455), (1335, 46158), (1413, 43610), (1470, 41919), (1570, 39249), (1602, 38465), (1869, 32970), (2198, 28035), (2205, 27946), (2355, 26166), (2670, 23079), (2826, 21805), (3115, 19782), (3297, 18690), (3738, 16485), (4005, 15386), (4361, 14130), (4410, 13973), (4710, 13083), (5495, 11214), (5607, 10990), (6230, 9891), (6594, 9345), (7065, 8722), (7693, 8010)]