71768340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 216

約数和(自身を含む): 258935040

約数和(自身を除く): 187166700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 103, 105, 126, 140, 147, 158, 180, 196, 206, 210, 237, 245, 252, 294, 309, 315, 316, 395, 412, 420, 441, 474, 490, 515, 553, 588, 618, 630, 711, 721, 735, 790, 882, 927, 948, 980, 1030, 1106, 1185, 1236, 1260, 1422, 1442, 1470, 1545, 1580, 1659, 1764, 1854, 2060, 2163, 2205, 2212, 2370, 2765, 2844, 2884, 2940, 3090, 3318, 3555, 3605, 3708, 3871, 4326, 4410, 4635, 4740, 4977, 5047, 5530, 6180, 6489, 6636, 7110, 7210, 7742, 8137, 8295, 8652, 8820, 9270, 9954, 10094, 10815, 11060, 11613, 12978, 14220, 14420, 15141, 15484, 16274, 16590, 18540, 19355, 19908, 20188, 21630, 23226, 24411, 24885, 25235, 25956, 30282, 32445, 32548, 33180, 34839, 38710, 40685, 43260, 45423, 46452, 48822, 49770, 50470, 56959, 58065, 60564, 64890, 69678, 73233, 75705, 77420, 81370, 90846, 97644, 99540, 100940, 113918, 116130, 122055, 129780, 139356, 146466, 151410, 162740, 170877, 174195, 181692, 227115, 227836, 232260, 244110, 284795, 292932, 302820, 341754, 348390, 366165, 398713, 454230, 488220, 512631, 569590, 683508, 696780, 732330, 797426, 854385, 908460, 1025262, 1139180, 1196139, 1464660, 1594852, 1708770, 1993565, 2050524, 2392278, 2563155, 3417540, 3588417, 3987130, 4784556, 5126310, 5980695, 7176834, 7974260, 10252620, 11961390, 14353668, 17942085, 23922780, 35884170, 71768340]

約数ペア:

[(1, 71768340), (2, 35884170), (3, 23922780), (4, 17942085), (5, 14353668), (6, 11961390), (7, 10252620), (9, 7974260), (10, 7176834), (12, 5980695), (14, 5126310), (15, 4784556), (18, 3987130), (20, 3588417), (21, 3417540), (28, 2563155), (30, 2392278), (35, 2050524), (36, 1993565), (42, 1708770), (45, 1594852), (49, 1464660), (60, 1196139), (63, 1139180), (70, 1025262), (79, 908460), (84, 854385), (90, 797426), (98, 732330), (103, 696780), (105, 683508), (126, 569590), (140, 512631), (147, 488220), (158, 454230), (180, 398713), (196, 366165), (206, 348390), (210, 341754), (237, 302820), (245, 292932), (252, 284795), (294, 244110), (309, 232260), (315, 227836), (316, 227115), (395, 181692), (412, 174195), (420, 170877), (441, 162740), (474, 151410), (490, 146466), (515, 139356), (553, 129780), (588, 122055), (618, 116130), (630, 113918), (711, 100940), (721, 99540), (735, 97644), (790, 90846), (882, 81370), (927, 77420), (948, 75705), (980, 73233), (1030, 69678), (1106, 64890), (1185, 60564), (1236, 58065), (1260, 56959), (1422, 50470), (1442, 49770), (1470, 48822), (1545, 46452), (1580, 45423), (1659, 43260), (1764, 40685), (1854, 38710), (2060, 34839), (2163, 33180), (2205, 32548), (2212, 32445), (2370, 30282), (2765, 25956), (2844, 25235), (2884, 24885), (2940, 24411), (3090, 23226), (3318, 21630), (3555, 20188), (3605, 19908), (3708, 19355), (3871, 18540), (4326, 16590), (4410, 16274), (4635, 15484), (4740, 15141), (4977, 14420), (5047, 14220), (5530, 12978), (6180, 11613), (6489, 11060), (6636, 10815), (7110, 10094), (7210, 9954), (7742, 9270), (8137, 8820), (8295, 8652)]