218405460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 288

約数和(自身を含む): 805738752

約数和(自身を除く): 587333292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 140, 156, 169, 170, 181, 182, 195, 204, 210, 221, 238, 255, 260, 273, 338, 340, 357, 362, 364, 390, 420, 442, 455, 476, 507, 510, 543, 546, 595, 663, 676, 714, 724, 780, 845, 884, 905, 910, 1014, 1020, 1086, 1092, 1105, 1183, 1190, 1267, 1326, 1365, 1428, 1547, 1690, 1785, 1810, 1820, 2028, 2172, 2210, 2353, 2366, 2380, 2534, 2535, 2652, 2715, 2730, 2873, 3077, 3094, 3315, 3380, 3549, 3570, 3620, 3801, 4420, 4641, 4706, 4732, 5068, 5070, 5430, 5460, 5746, 5915, 6154, 6188, 6335, 6630, 7059, 7098, 7140, 7602, 7735, 8619, 9231, 9282, 9412, 10140, 10860, 11492, 11765, 11830, 12308, 12670, 13260, 14118, 14196, 14365, 15204, 15385, 15470, 16471, 17238, 17745, 18462, 18564, 19005, 20111, 21539, 23205, 23530, 23660, 25340, 28236, 28730, 30589, 30770, 30940, 32942, 34476, 35295, 35490, 36924, 38010, 40001, 40222, 43078, 43095, 46155, 46410, 47060, 49413, 57460, 60333, 61178, 61540, 64617, 65884, 70590, 70980, 76020, 80002, 80444, 82355, 86156, 86190, 91767, 92310, 92820, 98826, 100555, 107695, 120003, 120666, 122356, 129234, 141180, 152945, 160004, 164710, 172380, 183534, 184620, 197652, 200005, 201110, 214123, 215390, 240006, 241332, 247065, 258468, 280007, 301665, 305890, 323085, 329420, 367068, 400010, 402220, 428246, 430780, 458835, 480012, 494130, 520013, 560014, 600015, 603330, 611780, 642369, 646170, 800020, 840021, 856492, 917670, 988260, 1040026, 1070615, 1120028, 1200030, 1206660, 1284738, 1292340, 1400035, 1560039, 1680042, 1835340, 2080052, 2141230, 2400060, 2569476, 2600065, 2800070, 3120078, 3211845, 3360084, 3640091, 4200105, 4282460, 5200130, 5600140, 6240156, 6423690, 7280182, 7800195, 8400210, 10400260, 10920273, 12847380, 14560364, 15600390, 16800420, 18200455, 21840546, 31200780, 36400910, 43681092, 54601365, 72801820, 109202730, 218405460]

約数ペア:

[(1, 218405460), (2, 109202730), (3, 72801820), (4, 54601365), (5, 43681092), (6, 36400910), (7, 31200780), (10, 21840546), (12, 18200455), (13, 16800420), (14, 15600390), (15, 14560364), (17, 12847380), (20, 10920273), (21, 10400260), (26, 8400210), (28, 7800195), (30, 7280182), (34, 6423690), (35, 6240156), (39, 5600140), (42, 5200130), (51, 4282460), (52, 4200105), (60, 3640091), (65, 3360084), (68, 3211845), (70, 3120078), (78, 2800070), (84, 2600065), (85, 2569476), (91, 2400060), (102, 2141230), (105, 2080052), (119, 1835340), (130, 1680042), (140, 1560039), (156, 1400035), (169, 1292340), (170, 1284738), (181, 1206660), (182, 1200030), (195, 1120028), (204, 1070615), (210, 1040026), (221, 988260), (238, 917670), (255, 856492), (260, 840021), (273, 800020), (338, 646170), (340, 642369), (357, 611780), (362, 603330), (364, 600015), (390, 560014), (420, 520013), (442, 494130), (455, 480012), (476, 458835), (507, 430780), (510, 428246), (543, 402220), (546, 400010), (595, 367068), (663, 329420), (676, 323085), (714, 305890), (724, 301665), (780, 280007), (845, 258468), (884, 247065), (905, 241332), (910, 240006), (1014, 215390), (1020, 214123), (1086, 201110), (1092, 200005), (1105, 197652), (1183, 184620), (1190, 183534), (1267, 172380), (1326, 164710), (1365, 160004), (1428, 152945), (1547, 141180), (1690, 129234), (1785, 122356), (1810, 120666), (1820, 120003), (2028, 107695), (2172, 100555), (2210, 98826), (2353, 92820), (2366, 92310), (2380, 91767), (2534, 86190), (2535, 86156), (2652, 82355), (2715, 80444), (2730, 80002), (2873, 76020), (3077, 70980), (3094, 70590), (3315, 65884), (3380, 64617), (3549, 61540), (3570, 61178), (3620, 60333), (3801, 57460), (4420, 49413), (4641, 47060), (4706, 46410), (4732, 46155), (5068, 43095), (5070, 43078), (5430, 40222), (5460, 40001), (5746, 38010), (5915, 36924), (6154, 35490), (6188, 35295), (6335, 34476), (6630, 32942), (7059, 30940), (7098, 30770), (7140, 30589), (7602, 28730), (7735, 28236), (8619, 25340), (9231, 23660), (9282, 23530), (9412, 23205), (10140, 21539), (10860, 20111), (11492, 19005), (11765, 18564), (11830, 18462), (12308, 17745), (12670, 17238), (13260, 16471), (14118, 15470), (14196, 15385), (14365, 15204)]