155879460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 216

約数和(自身を含む): 551606328

約数和(自身を除く): 395726868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 121, 132, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 306, 330, 340, 363, 374, 396, 421, 484, 495, 510, 561, 605, 612, 660, 726, 748, 765, 842, 935, 990, 1020, 1089, 1122, 1210, 1263, 1452, 1530, 1683, 1684, 1815, 1870, 1980, 2057, 2105, 2178, 2244, 2420, 2526, 2805, 3060, 3366, 3630, 3740, 3789, 4114, 4210, 4356, 4631, 5052, 5445, 5610, 6171, 6315, 6732, 7157, 7260, 7578, 8228, 8415, 8420, 9262, 10285, 10890, 11220, 12342, 12630, 13893, 14314, 15156, 16830, 18513, 18524, 18945, 20570, 21471, 21780, 23155, 24684, 25260, 27786, 28628, 30855, 33660, 35785, 37026, 37890, 41140, 41679, 42942, 46310, 50941, 55572, 61710, 64413, 69465, 71570, 74052, 75780, 78727, 83358, 85884, 92565, 92620, 101882, 107355, 123420, 128826, 138930, 143140, 152823, 157454, 166716, 185130, 203764, 208395, 214710, 236181, 254705, 257652, 277860, 305646, 314908, 322065, 370260, 393635, 416790, 429420, 458469, 472362, 509410, 611292, 644130, 708543, 764115, 787270, 833580, 865997, 916938, 944724, 1018820, 1180905, 1288260, 1417086, 1528230, 1574540, 1731994, 1833876, 2292345, 2361810, 2597991, 2834172, 3056460, 3463988, 3542715, 4329985, 4584690, 4723620, 5195982, 7085430, 7793973, 8659970, 9169380, 10391964, 12989955, 14170860, 15587946, 17319940, 25979910, 31175892, 38969865, 51959820, 77939730, 155879460]

約数ペア:

[(1, 155879460), (2, 77939730), (3, 51959820), (4, 38969865), (5, 31175892), (6, 25979910), (9, 17319940), (10, 15587946), (11, 14170860), (12, 12989955), (15, 10391964), (17, 9169380), (18, 8659970), (20, 7793973), (22, 7085430), (30, 5195982), (33, 4723620), (34, 4584690), (36, 4329985), (44, 3542715), (45, 3463988), (51, 3056460), (55, 2834172), (60, 2597991), (66, 2361810), (68, 2292345), (85, 1833876), (90, 1731994), (99, 1574540), (102, 1528230), (110, 1417086), (121, 1288260), (132, 1180905), (153, 1018820), (165, 944724), (170, 916938), (180, 865997), (187, 833580), (198, 787270), (204, 764115), (220, 708543), (242, 644130), (255, 611292), (306, 509410), (330, 472362), (340, 458469), (363, 429420), (374, 416790), (396, 393635), (421, 370260), (484, 322065), (495, 314908), (510, 305646), (561, 277860), (605, 257652), (612, 254705), (660, 236181), (726, 214710), (748, 208395), (765, 203764), (842, 185130), (935, 166716), (990, 157454), (1020, 152823), (1089, 143140), (1122, 138930), (1210, 128826), (1263, 123420), (1452, 107355), (1530, 101882), (1683, 92620), (1684, 92565), (1815, 85884), (1870, 83358), (1980, 78727), (2057, 75780), (2105, 74052), (2178, 71570), (2244, 69465), (2420, 64413), (2526, 61710), (2805, 55572), (3060, 50941), (3366, 46310), (3630, 42942), (3740, 41679), (3789, 41140), (4114, 37890), (4210, 37026), (4356, 35785), (4631, 33660), (5052, 30855), (5445, 28628), (5610, 27786), (6171, 25260), (6315, 24684), (6732, 23155), (7157, 21780), (7260, 21471), (7578, 20570), (8228, 18945), (8415, 18524), (8420, 18513), (9262, 16830), (10285, 15156), (10890, 14314), (11220, 13893), (12342, 12630)]