77478960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1355

約数の個数: 160

約数和(自身を含む): 272482560

約数和(自身を除く): 195003600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1307, 1482, 1520, 1560, 1976, 2280, 2470, 2614, 2964, 3120, 3705, 3921, 3952, 4560, 4940, 5228, 5928, 6535, 7410, 7842, 9880, 10456, 11856, 13070, 14820, 15684, 16991, 19605, 19760, 20912, 24833, 26140, 29640, 31368, 33982, 39210, 49666, 50973, 52280, 59280, 62736, 67964, 74499, 78420, 84955, 99332, 101946, 104560, 124165, 135928, 148998, 156840, 169910, 198664, 203892, 248330, 254865, 271856, 297996, 313680, 322829, 339820, 372495, 397328, 407784, 496660, 509730, 595992, 645658, 679640, 744990, 815568, 968487, 993320, 1019460, 1191984, 1291316, 1359280, 1489980, 1614145, 1936974, 1986640, 2038920, 2582632, 2979960, 3228290, 3873948, 4077840, 4842435, 5165264, 5959920, 6456580, 7747896, 9684870, 12913160, 15495792, 19369740, 25826320, 38739480, 77478960]

約数ペア:

[(1, 77478960), (2, 38739480), (3, 25826320), (4, 19369740), (5, 15495792), (6, 12913160), (8, 9684870), (10, 7747896), (12, 6456580), (13, 5959920), (15, 5165264), (16, 4842435), (19, 4077840), (20, 3873948), (24, 3228290), (26, 2979960), (30, 2582632), (38, 2038920), (39, 1986640), (40, 1936974), (48, 1614145), (52, 1489980), (57, 1359280), (60, 1291316), (65, 1191984), (76, 1019460), (78, 993320), (80, 968487), (95, 815568), (104, 744990), (114, 679640), (120, 645658), (130, 595992), (152, 509730), (156, 496660), (190, 407784), (195, 397328), (208, 372495), (228, 339820), (240, 322829), (247, 313680), (260, 297996), (285, 271856), (304, 254865), (312, 248330), (380, 203892), (390, 198664), (456, 169910), (494, 156840), (520, 148998), (570, 135928), (624, 124165), (741, 104560), (760, 101946), (780, 99332), (912, 84955), (988, 78420), (1040, 74499), (1140, 67964), (1235, 62736), (1307, 59280), (1482, 52280), (1520, 50973), (1560, 49666), (1976, 39210), (2280, 33982), (2470, 31368), (2614, 29640), (2964, 26140), (3120, 24833), (3705, 20912), (3921, 19760), (3952, 19605), (4560, 16991), (4940, 15684), (5228, 14820), (5928, 13070), (6535, 11856), (7410, 10456), (7842, 9880)]