180908910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 256

約数和(自身を含む): 612864000

約数和(自身を除く): 431955090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 37, 39, 42, 45, 54, 63, 65, 70, 74, 78, 90, 91, 105, 111, 117, 126, 130, 135, 182, 185, 189, 195, 199, 210, 222, 234, 259, 270, 273, 315, 333, 351, 370, 378, 390, 398, 455, 481, 518, 546, 555, 585, 597, 630, 666, 702, 777, 819, 910, 945, 962, 995, 999, 1110, 1170, 1194, 1295, 1365, 1393, 1443, 1554, 1638, 1665, 1755, 1791, 1890, 1990, 1998, 2331, 2405, 2457, 2587, 2590, 2730, 2786, 2886, 2985, 3330, 3367, 3510, 3582, 3885, 4095, 4179, 4329, 4662, 4810, 4914, 4995, 5174, 5373, 5970, 6734, 6965, 6993, 7215, 7363, 7761, 7770, 8190, 8358, 8658, 8955, 9990, 10101, 10746, 11655, 12285, 12537, 12935, 12987, 13930, 13986, 14430, 14726, 15522, 16835, 17910, 18109, 20202, 20895, 21645, 22089, 23283, 23310, 24570, 25074, 25870, 25974, 26865, 30303, 33670, 34965, 36218, 36815, 37611, 38805, 41790, 43290, 44178, 46566, 50505, 51541, 53730, 54327, 60606, 62685, 64935, 66267, 69849, 69930, 73630, 75222, 77610, 90545, 90909, 95719, 101010, 103082, 108654, 110445, 116415, 125370, 129870, 132534, 139698, 151515, 154623, 162981, 181090, 181818, 188055, 191438, 198801, 220890, 232830, 257705, 271635, 287157, 303030, 309246, 325962, 331335, 349245, 376110, 397602, 454545, 463869, 478595, 488943, 515410, 543270, 574314, 662670, 670033, 698490, 773115, 814905, 861471, 909090, 927738, 957190, 977886, 994005, 1340066, 1391607, 1435785, 1546230, 1629810, 1722942, 1988010, 2010099, 2319345, 2444715, 2584413, 2783214, 2871570, 3350165, 4020198, 4307355, 4638690, 4889430, 5168826, 6030297, 6700330, 6958035, 8614710, 10050495, 12060594, 12922065, 13916070, 18090891, 20100990, 25844130, 30151485, 36181782, 60302970, 90454455, 180908910]

約数ペア:

[(1, 180908910), (2, 90454455), (3, 60302970), (5, 36181782), (6, 30151485), (7, 25844130), (9, 20100990), (10, 18090891), (13, 13916070), (14, 12922065), (15, 12060594), (18, 10050495), (21, 8614710), (26, 6958035), (27, 6700330), (30, 6030297), (35, 5168826), (37, 4889430), (39, 4638690), (42, 4307355), (45, 4020198), (54, 3350165), (63, 2871570), (65, 2783214), (70, 2584413), (74, 2444715), (78, 2319345), (90, 2010099), (91, 1988010), (105, 1722942), (111, 1629810), (117, 1546230), (126, 1435785), (130, 1391607), (135, 1340066), (182, 994005), (185, 977886), (189, 957190), (195, 927738), (199, 909090), (210, 861471), (222, 814905), (234, 773115), (259, 698490), (270, 670033), (273, 662670), (315, 574314), (333, 543270), (351, 515410), (370, 488943), (378, 478595), (390, 463869), (398, 454545), (455, 397602), (481, 376110), (518, 349245), (546, 331335), (555, 325962), (585, 309246), (597, 303030), (630, 287157), (666, 271635), (702, 257705), (777, 232830), (819, 220890), (910, 198801), (945, 191438), (962, 188055), (995, 181818), (999, 181090), (1110, 162981), (1170, 154623), (1194, 151515), (1295, 139698), (1365, 132534), (1393, 129870), (1443, 125370), (1554, 116415), (1638, 110445), (1665, 108654), (1755, 103082), (1791, 101010), (1890, 95719), (1990, 90909), (1998, 90545), (2331, 77610), (2405, 75222), (2457, 73630), (2587, 69930), (2590, 69849), (2730, 66267), (2786, 64935), (2886, 62685), (2985, 60606), (3330, 54327), (3367, 53730), (3510, 51541), (3582, 50505), (3885, 46566), (4095, 44178), (4179, 43290), (4329, 41790), (4662, 38805), (4810, 37611), (4914, 36815), (4995, 36218), (5174, 34965), (5373, 33670), (5970, 30303), (6734, 26865), (6965, 25974), (6993, 25870), (7215, 25074), (7363, 24570), (7761, 23310), (7770, 23283), (8190, 22089), (8358, 21645), (8658, 20895), (8955, 20202), (9990, 18109), (10101, 17910), (10746, 16835), (11655, 15522), (12285, 14726), (12537, 14430), (12935, 13986), (12987, 13930)]