25407720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 91400400

約数和(自身を除く): 65992680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 89, 90, 104, 117, 120, 122, 130, 156, 178, 180, 183, 195, 234, 244, 260, 267, 305, 312, 356, 360, 366, 390, 445, 468, 488, 520, 534, 549, 585, 610, 712, 732, 780, 793, 801, 890, 915, 936, 1068, 1098, 1157, 1170, 1220, 1335, 1464, 1560, 1586, 1602, 1780, 1830, 2136, 2196, 2314, 2340, 2379, 2440, 2670, 2745, 3172, 3204, 3471, 3560, 3660, 3965, 4005, 4392, 4628, 4680, 4758, 5340, 5429, 5490, 5785, 6344, 6408, 6942, 7137, 7320, 7930, 8010, 9256, 9516, 10413, 10680, 10858, 10980, 11570, 11895, 13884, 14274, 15860, 16020, 16287, 17355, 19032, 20826, 21716, 21960, 23140, 23790, 27145, 27768, 28548, 31720, 32040, 32574, 34710, 35685, 41652, 43432, 46280, 47580, 48861, 52065, 54290, 57096, 65148, 69420, 70577, 71370, 81435, 83304, 95160, 97722, 104130, 108580, 130296, 138840, 141154, 142740, 162870, 195444, 208260, 211731, 217160, 244305, 282308, 285480, 325740, 352885, 390888, 416520, 423462, 488610, 564616, 635193, 651480, 705770, 846924, 977220, 1058655, 1270386, 1411540, 1693848, 1954440, 2117310, 2540772, 2823080, 3175965, 4234620, 5081544, 6351930, 8469240, 12703860, 25407720]

約数ペア:

[(1, 25407720), (2, 12703860), (3, 8469240), (4, 6351930), (5, 5081544), (6, 4234620), (8, 3175965), (9, 2823080), (10, 2540772), (12, 2117310), (13, 1954440), (15, 1693848), (18, 1411540), (20, 1270386), (24, 1058655), (26, 977220), (30, 846924), (36, 705770), (39, 651480), (40, 635193), (45, 564616), (52, 488610), (60, 423462), (61, 416520), (65, 390888), (72, 352885), (78, 325740), (89, 285480), (90, 282308), (104, 244305), (117, 217160), (120, 211731), (122, 208260), (130, 195444), (156, 162870), (178, 142740), (180, 141154), (183, 138840), (195, 130296), (234, 108580), (244, 104130), (260, 97722), (267, 95160), (305, 83304), (312, 81435), (356, 71370), (360, 70577), (366, 69420), (390, 65148), (445, 57096), (468, 54290), (488, 52065), (520, 48861), (534, 47580), (549, 46280), (585, 43432), (610, 41652), (712, 35685), (732, 34710), (780, 32574), (793, 32040), (801, 31720), (890, 28548), (915, 27768), (936, 27145), (1068, 23790), (1098, 23140), (1157, 21960), (1170, 21716), (1220, 20826), (1335, 19032), (1464, 17355), (1560, 16287), (1586, 16020), (1602, 15860), (1780, 14274), (1830, 13884), (2136, 11895), (2196, 11570), (2314, 10980), (2340, 10858), (2379, 10680), (2440, 10413), (2670, 9516), (2745, 9256), (3172, 8010), (3204, 7930), (3471, 7320), (3560, 7137), (3660, 6942), (3965, 6408), (4005, 6344), (4392, 5785), (4628, 5490), (4680, 5429), (4758, 5340)]