61666020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 215514936

約数和(自身を除く): 153848916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 73, 76, 78, 90, 95, 114, 117, 130, 146, 156, 171, 180, 190, 195, 219, 228, 234, 247, 260, 285, 292, 342, 361, 365, 380, 390, 438, 468, 494, 570, 585, 657, 684, 722, 730, 741, 780, 855, 876, 949, 988, 1083, 1095, 1140, 1170, 1235, 1314, 1387, 1444, 1460, 1482, 1710, 1805, 1898, 2166, 2190, 2223, 2340, 2470, 2628, 2774, 2847, 2964, 3249, 3285, 3420, 3610, 3705, 3796, 4161, 4332, 4380, 4446, 4693, 4745, 4940, 5415, 5548, 5694, 6498, 6570, 6935, 7220, 7410, 8322, 8541, 8892, 9386, 9490, 10830, 11115, 11388, 12483, 12996, 13140, 13870, 14079, 14235, 14820, 16245, 16644, 17082, 18031, 18772, 18980, 20805, 21660, 22230, 23465, 24966, 26353, 27740, 28158, 28470, 32490, 34164, 36062, 41610, 42237, 42705, 44460, 46930, 49932, 52706, 54093, 56316, 56940, 62415, 64980, 70395, 72124, 79059, 83220, 84474, 85410, 90155, 93860, 105412, 108186, 124830, 131765, 140790, 158118, 162279, 168948, 170820, 180310, 211185, 216372, 237177, 249660, 263530, 270465, 281580, 316236, 324558, 342589, 360620, 395295, 422370, 474354, 527060, 540930, 649116, 685178, 790590, 811395, 844740, 948708, 1027767, 1081860, 1185885, 1370356, 1581180, 1622790, 1712945, 2055534, 2371770, 3083301, 3245580, 3425890, 4111068, 4743540, 5138835, 6166602, 6851780, 10277670, 12333204, 15416505, 20555340, 30833010, 61666020]

約数ペア:

[(1, 61666020), (2, 30833010), (3, 20555340), (4, 15416505), (5, 12333204), (6, 10277670), (9, 6851780), (10, 6166602), (12, 5138835), (13, 4743540), (15, 4111068), (18, 3425890), (19, 3245580), (20, 3083301), (26, 2371770), (30, 2055534), (36, 1712945), (38, 1622790), (39, 1581180), (45, 1370356), (52, 1185885), (57, 1081860), (60, 1027767), (65, 948708), (73, 844740), (76, 811395), (78, 790590), (90, 685178), (95, 649116), (114, 540930), (117, 527060), (130, 474354), (146, 422370), (156, 395295), (171, 360620), (180, 342589), (190, 324558), (195, 316236), (219, 281580), (228, 270465), (234, 263530), (247, 249660), (260, 237177), (285, 216372), (292, 211185), (342, 180310), (361, 170820), (365, 168948), (380, 162279), (390, 158118), (438, 140790), (468, 131765), (494, 124830), (570, 108186), (585, 105412), (657, 93860), (684, 90155), (722, 85410), (730, 84474), (741, 83220), (780, 79059), (855, 72124), (876, 70395), (949, 64980), (988, 62415), (1083, 56940), (1095, 56316), (1140, 54093), (1170, 52706), (1235, 49932), (1314, 46930), (1387, 44460), (1444, 42705), (1460, 42237), (1482, 41610), (1710, 36062), (1805, 34164), (1898, 32490), (2166, 28470), (2190, 28158), (2223, 27740), (2340, 26353), (2470, 24966), (2628, 23465), (2774, 22230), (2847, 21660), (2964, 20805), (3249, 18980), (3285, 18772), (3420, 18031), (3610, 17082), (3705, 16644), (3796, 16245), (4161, 14820), (4332, 14235), (4380, 14079), (4446, 13870), (4693, 13140), (4745, 12996), (4940, 12483), (5415, 11388), (5548, 11115), (5694, 10830), (6498, 9490), (6570, 9386), (6935, 8892), (7220, 8541), (7410, 8322)]