280330380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 954490992

約数和(自身を除く): 674160612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 121, 122, 132, 165, 180, 183, 198, 211, 220, 242, 244, 305, 330, 363, 366, 396, 422, 484, 495, 549, 605, 610, 633, 660, 671, 726, 732, 844, 915, 990, 1055, 1089, 1098, 1210, 1220, 1266, 1342, 1452, 1815, 1830, 1899, 1980, 2013, 2110, 2178, 2196, 2321, 2420, 2532, 2684, 2745, 3165, 3355, 3630, 3660, 3798, 4026, 4220, 4356, 4642, 5445, 5490, 6039, 6330, 6710, 6963, 7260, 7381, 7596, 8052, 9284, 9495, 10065, 10890, 10980, 11605, 12078, 12660, 12871, 13420, 13926, 14762, 18990, 20130, 20889, 21780, 22143, 23210, 24156, 25531, 25742, 27852, 29524, 30195, 34815, 36905, 37980, 38613, 40260, 41778, 44286, 46420, 51062, 51484, 60390, 64355, 66429, 69630, 73810, 76593, 77226, 83556, 88572, 102124, 104445, 110715, 115839, 120780, 127655, 128710, 132858, 139260, 141581, 147620, 153186, 154452, 193065, 208890, 221430, 229779, 231678, 255310, 257420, 265716, 283162, 306372, 332145, 382965, 386130, 417780, 424743, 442860, 459558, 463356, 510620, 566324, 579195, 664290, 707905, 765930, 772260, 849486, 919116, 1148895, 1158390, 1274229, 1328580, 1415810, 1531860, 1557391, 1698972, 2123715, 2297790, 2316780, 2548458, 2831620, 3114782, 4247430, 4595580, 4672173, 5096916, 6229564, 6371145, 7786955, 8494860, 9344346, 12742290, 14016519, 15573910, 18688692, 23360865, 25484580, 28033038, 31147820, 46721730, 56066076, 70082595, 93443460, 140165190, 280330380]

約数ペア:

[(1, 280330380), (2, 140165190), (3, 93443460), (4, 70082595), (5, 56066076), (6, 46721730), (9, 31147820), (10, 28033038), (11, 25484580), (12, 23360865), (15, 18688692), (18, 15573910), (20, 14016519), (22, 12742290), (30, 9344346), (33, 8494860), (36, 7786955), (44, 6371145), (45, 6229564), (55, 5096916), (60, 4672173), (61, 4595580), (66, 4247430), (90, 3114782), (99, 2831620), (110, 2548458), (121, 2316780), (122, 2297790), (132, 2123715), (165, 1698972), (180, 1557391), (183, 1531860), (198, 1415810), (211, 1328580), (220, 1274229), (242, 1158390), (244, 1148895), (305, 919116), (330, 849486), (363, 772260), (366, 765930), (396, 707905), (422, 664290), (484, 579195), (495, 566324), (549, 510620), (605, 463356), (610, 459558), (633, 442860), (660, 424743), (671, 417780), (726, 386130), (732, 382965), (844, 332145), (915, 306372), (990, 283162), (1055, 265716), (1089, 257420), (1098, 255310), (1210, 231678), (1220, 229779), (1266, 221430), (1342, 208890), (1452, 193065), (1815, 154452), (1830, 153186), (1899, 147620), (1980, 141581), (2013, 139260), (2110, 132858), (2178, 128710), (2196, 127655), (2321, 120780), (2420, 115839), (2532, 110715), (2684, 104445), (2745, 102124), (3165, 88572), (3355, 83556), (3630, 77226), (3660, 76593), (3798, 73810), (4026, 69630), (4220, 66429), (4356, 64355), (4642, 60390), (5445, 51484), (5490, 51062), (6039, 46420), (6330, 44286), (6710, 41778), (6963, 40260), (7260, 38613), (7381, 37980), (7596, 36905), (8052, 34815), (9284, 30195), (9495, 29524), (10065, 27852), (10890, 25742), (10980, 25531), (11605, 24156), (12078, 23210), (12660, 22143), (12871, 21780), (13420, 20889), (13926, 20130), (14762, 18990)]