405280980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 1412855808

約数和(自身を除く): 1007574828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 37, 39, 45, 52, 60, 62, 65, 74, 78, 90, 93, 111, 117, 124, 130, 148, 151, 155, 156, 180, 185, 186, 195, 222, 234, 260, 279, 302, 310, 333, 370, 372, 390, 403, 444, 453, 465, 468, 481, 555, 558, 585, 604, 620, 666, 740, 755, 780, 806, 906, 930, 962, 1110, 1116, 1147, 1170, 1209, 1332, 1359, 1395, 1443, 1510, 1612, 1665, 1812, 1860, 1924, 1963, 2015, 2220, 2265, 2294, 2340, 2405, 2418, 2718, 2790, 2886, 3020, 3330, 3441, 3627, 3926, 4030, 4329, 4530, 4588, 4681, 4810, 4836, 5436, 5580, 5587, 5735, 5772, 5889, 6045, 6660, 6795, 6882, 7215, 7254, 7852, 8060, 8658, 9060, 9362, 9620, 9815, 10323, 11174, 11470, 11778, 12090, 13590, 13764, 14043, 14430, 14508, 14911, 16761, 17205, 17316, 17667, 18135, 18724, 19630, 20646, 21645, 22348, 22940, 23405, 23556, 24180, 27180, 27935, 28086, 28860, 29445, 29822, 33522, 34410, 35334, 36270, 39260, 41292, 42129, 43290, 44733, 46810, 50283, 51615, 55870, 56172, 58890, 59644, 60853, 67044, 68820, 70215, 70668, 72540, 72631, 74555, 83805, 84258, 86580, 88335, 89466, 93620, 100566, 103230, 111740, 117780, 121706, 134199, 140430, 145262, 149110, 167610, 168516, 173197, 176670, 178932, 182559, 201132, 206460, 210645, 217893, 223665, 243412, 251415, 268398, 280860, 290524, 298220, 304265, 335220, 346394, 353340, 363155, 365118, 421290, 435786, 447330, 502830, 519591, 536796, 547677, 608530, 653679, 670995, 692788, 726310, 730236, 842580, 865985, 871572, 894660, 912795, 1005660, 1039182, 1089465, 1095354, 1217060, 1307358, 1341990, 1452620, 1558773, 1731970, 1825590, 2078364, 2178930, 2190708, 2251561, 2597955, 2614716, 2683980, 2738385, 3117546, 3268395, 3463940, 3651180, 4357860, 4503122, 5195910, 5476770, 6235092, 6536790, 6754683, 7793865, 9006244, 10391820, 10953540, 11257805, 13073580, 13509366, 15587730, 20264049, 22515610, 27018732, 31175460, 33773415, 40528098, 45031220, 67546830, 81056196, 101320245, 135093660, 202640490, 405280980]

約数ペア:

[(1, 405280980), (2, 202640490), (3, 135093660), (4, 101320245), (5, 81056196), (6, 67546830), (9, 45031220), (10, 40528098), (12, 33773415), (13, 31175460), (15, 27018732), (18, 22515610), (20, 20264049), (26, 15587730), (30, 13509366), (31, 13073580), (36, 11257805), (37, 10953540), (39, 10391820), (45, 9006244), (52, 7793865), (60, 6754683), (62, 6536790), (65, 6235092), (74, 5476770), (78, 5195910), (90, 4503122), (93, 4357860), (111, 3651180), (117, 3463940), (124, 3268395), (130, 3117546), (148, 2738385), (151, 2683980), (155, 2614716), (156, 2597955), (180, 2251561), (185, 2190708), (186, 2178930), (195, 2078364), (222, 1825590), (234, 1731970), (260, 1558773), (279, 1452620), (302, 1341990), (310, 1307358), (333, 1217060), (370, 1095354), (372, 1089465), (390, 1039182), (403, 1005660), (444, 912795), (453, 894660), (465, 871572), (468, 865985), (481, 842580), (555, 730236), (558, 726310), (585, 692788), (604, 670995), (620, 653679), (666, 608530), (740, 547677), (755, 536796), (780, 519591), (806, 502830), (906, 447330), (930, 435786), (962, 421290), (1110, 365118), (1116, 363155), (1147, 353340), (1170, 346394), (1209, 335220), (1332, 304265), (1359, 298220), (1395, 290524), (1443, 280860), (1510, 268398), (1612, 251415), (1665, 243412), (1812, 223665), (1860, 217893), (1924, 210645), (1963, 206460), (2015, 201132), (2220, 182559), (2265, 178932), (2294, 176670), (2340, 173197), (2405, 168516), (2418, 167610), (2718, 149110), (2790, 145262), (2886, 140430), (3020, 134199), (3330, 121706), (3441, 117780), (3627, 111740), (3926, 103230), (4030, 100566), (4329, 93620), (4530, 89466), (4588, 88335), (4681, 86580), (4810, 84258), (4836, 83805), (5436, 74555), (5580, 72631), (5587, 72540), (5735, 70668), (5772, 70215), (5889, 68820), (6045, 67044), (6660, 60853), (6795, 59644), (6882, 58890), (7215, 56172), (7254, 55870), (7852, 51615), (8060, 50283), (8658, 46810), (9060, 44733), (9362, 43290), (9620, 42129), (9815, 41292), (10323, 39260), (11174, 36270), (11470, 35334), (11778, 34410), (12090, 33522), (13590, 29822), (13764, 29445), (14043, 28860), (14430, 28086), (14508, 27935), (14911, 27180), (16761, 24180), (17205, 23556), (17316, 23405), (17667, 22940), (18135, 22348), (18724, 21645), (19630, 20646)]