257624730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:653

約数の個数: 144

約数和(自身を含む): 755517672

約数和(自身を除く): 497892942

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 41, 45, 55, 66, 82, 90, 99, 110, 121, 123, 165, 198, 205, 242, 246, 330, 363, 369, 410, 451, 495, 577, 605, 615, 726, 738, 902, 990, 1089, 1154, 1210, 1230, 1353, 1731, 1815, 1845, 2178, 2255, 2706, 2885, 3462, 3630, 3690, 4059, 4510, 4961, 5193, 5445, 5770, 6347, 6765, 8118, 8655, 9922, 10386, 10890, 12694, 13530, 14883, 17310, 19041, 20295, 23657, 24805, 25965, 29766, 31735, 38082, 40590, 44649, 47314, 49610, 51930, 57123, 63470, 69817, 70971, 74415, 89298, 95205, 114246, 118285, 139634, 141942, 148830, 190410, 209451, 212913, 223245, 236570, 260227, 285615, 349085, 354855, 418902, 425826, 446490, 520454, 571230, 628353, 698170, 709710, 780681, 1047255, 1064565, 1256706, 1301135, 1561362, 2094510, 2129130, 2342043, 2602270, 2862497, 3141765, 3903405, 4684086, 5724994, 6283530, 7806810, 8587491, 11710215, 14312485, 17174982, 23420430, 25762473, 28624970, 42937455, 51524946, 85874910, 128812365, 257624730]

約数ペア:

[(1, 257624730), (2, 128812365), (3, 85874910), (5, 51524946), (6, 42937455), (9, 28624970), (10, 25762473), (11, 23420430), (15, 17174982), (18, 14312485), (22, 11710215), (30, 8587491), (33, 7806810), (41, 6283530), (45, 5724994), (55, 4684086), (66, 3903405), (82, 3141765), (90, 2862497), (99, 2602270), (110, 2342043), (121, 2129130), (123, 2094510), (165, 1561362), (198, 1301135), (205, 1256706), (242, 1064565), (246, 1047255), (330, 780681), (363, 709710), (369, 698170), (410, 628353), (451, 571230), (495, 520454), (577, 446490), (605, 425826), (615, 418902), (726, 354855), (738, 349085), (902, 285615), (990, 260227), (1089, 236570), (1154, 223245), (1210, 212913), (1230, 209451), (1353, 190410), (1731, 148830), (1815, 141942), (1845, 139634), (2178, 118285), (2255, 114246), (2706, 95205), (2885, 89298), (3462, 74415), (3630, 70971), (3690, 69817), (4059, 63470), (4510, 57123), (4961, 51930), (5193, 49610), (5445, 47314), (5770, 44649), (6347, 40590), (6765, 38082), (8118, 31735), (8655, 29766), (9922, 25965), (10386, 24805), (10890, 23657), (12694, 20295), (13530, 19041), (14883, 17310)]