15492780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 51184224

約数和(自身を除く): 35691444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 83, 85, 90, 102, 122, 153, 166, 170, 180, 183, 204, 244, 249, 255, 305, 306, 332, 340, 366, 415, 498, 510, 549, 610, 612, 732, 747, 765, 830, 915, 996, 1020, 1037, 1098, 1220, 1245, 1411, 1494, 1530, 1660, 1830, 2074, 2196, 2490, 2745, 2822, 2988, 3060, 3111, 3660, 3735, 4148, 4233, 4980, 5063, 5185, 5490, 5644, 6222, 7055, 7470, 8466, 9333, 10126, 10370, 10980, 12444, 12699, 14110, 14940, 15189, 15555, 16932, 18666, 20252, 20740, 21165, 25315, 25398, 28220, 30378, 31110, 37332, 42330, 45567, 46665, 50630, 50796, 60756, 62220, 63495, 75945, 84660, 86071, 91134, 93330, 101260, 126990, 151890, 172142, 182268, 186660, 227835, 253980, 258213, 303780, 344284, 430355, 455670, 516426, 774639, 860710, 911340, 1032852, 1291065, 1549278, 1721420, 2582130, 3098556, 3873195, 5164260, 7746390, 15492780]

約数ペア:

[(1, 15492780), (2, 7746390), (3, 5164260), (4, 3873195), (5, 3098556), (6, 2582130), (9, 1721420), (10, 1549278), (12, 1291065), (15, 1032852), (17, 911340), (18, 860710), (20, 774639), (30, 516426), (34, 455670), (36, 430355), (45, 344284), (51, 303780), (60, 258213), (61, 253980), (68, 227835), (83, 186660), (85, 182268), (90, 172142), (102, 151890), (122, 126990), (153, 101260), (166, 93330), (170, 91134), (180, 86071), (183, 84660), (204, 75945), (244, 63495), (249, 62220), (255, 60756), (305, 50796), (306, 50630), (332, 46665), (340, 45567), (366, 42330), (415, 37332), (498, 31110), (510, 30378), (549, 28220), (610, 25398), (612, 25315), (732, 21165), (747, 20740), (765, 20252), (830, 18666), (915, 16932), (996, 15555), (1020, 15189), (1037, 14940), (1098, 14110), (1220, 12699), (1245, 12444), (1411, 10980), (1494, 10370), (1530, 10126), (1660, 9333), (1830, 8466), (2074, 7470), (2196, 7055), (2490, 6222), (2745, 5644), (2822, 5490), (2988, 5185), (3060, 5063), (3111, 4980), (3660, 4233), (3735, 4148)]