66780420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 232243200

約数和(自身を除く): 165462780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 47, 51, 60, 68, 70, 84, 85, 94, 102, 105, 119, 140, 141, 170, 188, 199, 204, 210, 235, 238, 255, 282, 329, 340, 357, 398, 420, 470, 476, 510, 564, 595, 597, 658, 705, 714, 796, 799, 940, 987, 995, 1020, 1190, 1194, 1316, 1393, 1410, 1428, 1598, 1645, 1785, 1974, 1990, 2380, 2388, 2397, 2786, 2820, 2985, 3196, 3290, 3383, 3570, 3948, 3980, 3995, 4179, 4794, 4935, 5572, 5593, 5970, 6580, 6766, 6965, 7140, 7990, 8358, 9353, 9588, 9870, 10149, 11186, 11940, 11985, 13532, 13930, 15980, 16716, 16779, 16915, 18706, 19740, 20298, 20895, 22372, 23681, 23970, 27860, 27965, 28059, 33558, 33830, 37412, 40596, 41790, 46765, 47362, 47940, 50745, 55930, 56118, 65471, 67116, 67660, 71043, 83580, 83895, 93530, 94724, 101490, 111860, 112236, 118405, 130942, 140295, 142086, 159001, 167790, 187060, 196413, 202980, 236810, 261884, 280590, 284172, 318002, 327355, 335580, 355215, 392826, 473620, 477003, 561180, 636004, 654710, 710430, 785652, 795005, 954006, 982065, 1113007, 1309420, 1420860, 1590010, 1908012, 1964130, 2226014, 2385015, 3180020, 3339021, 3928260, 4452028, 4770030, 5565035, 6678042, 9540060, 11130070, 13356084, 16695105, 22260140, 33390210, 66780420]

約数ペア:

[(1, 66780420), (2, 33390210), (3, 22260140), (4, 16695105), (5, 13356084), (6, 11130070), (7, 9540060), (10, 6678042), (12, 5565035), (14, 4770030), (15, 4452028), (17, 3928260), (20, 3339021), (21, 3180020), (28, 2385015), (30, 2226014), (34, 1964130), (35, 1908012), (42, 1590010), (47, 1420860), (51, 1309420), (60, 1113007), (68, 982065), (70, 954006), (84, 795005), (85, 785652), (94, 710430), (102, 654710), (105, 636004), (119, 561180), (140, 477003), (141, 473620), (170, 392826), (188, 355215), (199, 335580), (204, 327355), (210, 318002), (235, 284172), (238, 280590), (255, 261884), (282, 236810), (329, 202980), (340, 196413), (357, 187060), (398, 167790), (420, 159001), (470, 142086), (476, 140295), (510, 130942), (564, 118405), (595, 112236), (597, 111860), (658, 101490), (705, 94724), (714, 93530), (796, 83895), (799, 83580), (940, 71043), (987, 67660), (995, 67116), (1020, 65471), (1190, 56118), (1194, 55930), (1316, 50745), (1393, 47940), (1410, 47362), (1428, 46765), (1598, 41790), (1645, 40596), (1785, 37412), (1974, 33830), (1990, 33558), (2380, 28059), (2388, 27965), (2397, 27860), (2786, 23970), (2820, 23681), (2985, 22372), (3196, 20895), (3290, 20298), (3383, 19740), (3570, 18706), (3948, 16915), (3980, 16779), (3995, 16716), (4179, 15980), (4794, 13930), (4935, 13532), (5572, 11985), (5593, 11940), (5970, 11186), (6580, 10149), (6766, 9870), (6965, 9588), (7140, 9353), (7990, 8358)]