25480140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 89456640

約数和(自身を除く): 63976500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 76, 84, 93, 95, 103, 105, 114, 124, 133, 140, 155, 186, 190, 206, 210, 217, 228, 266, 285, 309, 310, 372, 380, 399, 412, 420, 434, 465, 515, 532, 570, 589, 618, 620, 651, 665, 721, 798, 868, 930, 1030, 1085, 1140, 1178, 1236, 1302, 1330, 1442, 1545, 1596, 1767, 1860, 1957, 1995, 2060, 2163, 2170, 2356, 2604, 2660, 2884, 2945, 3090, 3193, 3255, 3534, 3605, 3914, 3990, 4123, 4326, 4340, 5871, 5890, 6180, 6386, 6510, 7068, 7210, 7828, 7980, 8246, 8652, 8835, 9579, 9785, 10815, 11742, 11780, 12369, 12772, 13020, 13699, 14420, 15965, 16492, 17670, 19158, 19570, 20615, 21630, 22351, 23484, 24738, 27398, 29355, 31930, 35340, 38316, 39140, 41097, 41230, 43260, 44702, 47895, 49476, 54796, 58710, 60667, 61845, 63860, 67053, 68495, 82194, 82460, 89404, 95790, 111755, 117420, 121334, 123690, 134106, 136990, 164388, 182001, 191580, 205485, 223510, 242668, 247380, 268212, 273980, 303335, 335265, 364002, 410970, 424669, 447020, 606670, 670530, 728004, 821940, 849338, 910005, 1213340, 1274007, 1341060, 1698676, 1820010, 2123345, 2548014, 3640020, 4246690, 5096028, 6370035, 8493380, 12740070, 25480140]

約数ペア:

[(1, 25480140), (2, 12740070), (3, 8493380), (4, 6370035), (5, 5096028), (6, 4246690), (7, 3640020), (10, 2548014), (12, 2123345), (14, 1820010), (15, 1698676), (19, 1341060), (20, 1274007), (21, 1213340), (28, 910005), (30, 849338), (31, 821940), (35, 728004), (38, 670530), (42, 606670), (57, 447020), (60, 424669), (62, 410970), (70, 364002), (76, 335265), (84, 303335), (93, 273980), (95, 268212), (103, 247380), (105, 242668), (114, 223510), (124, 205485), (133, 191580), (140, 182001), (155, 164388), (186, 136990), (190, 134106), (206, 123690), (210, 121334), (217, 117420), (228, 111755), (266, 95790), (285, 89404), (309, 82460), (310, 82194), (372, 68495), (380, 67053), (399, 63860), (412, 61845), (420, 60667), (434, 58710), (465, 54796), (515, 49476), (532, 47895), (570, 44702), (589, 43260), (618, 41230), (620, 41097), (651, 39140), (665, 38316), (721, 35340), (798, 31930), (868, 29355), (930, 27398), (1030, 24738), (1085, 23484), (1140, 22351), (1178, 21630), (1236, 20615), (1302, 19570), (1330, 19158), (1442, 17670), (1545, 16492), (1596, 15965), (1767, 14420), (1860, 13699), (1957, 13020), (1995, 12772), (2060, 12369), (2163, 11780), (2170, 11742), (2356, 10815), (2604, 9785), (2660, 9579), (2884, 8835), (2945, 8652), (3090, 8246), (3193, 7980), (3255, 7828), (3534, 7210), (3605, 7068), (3914, 6510), (3990, 6386), (4123, 6180), (4326, 5890), (4340, 5871)]