30271220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 82736640

約数和(自身を除く): 52465420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 79, 85, 92, 98, 115, 119, 140, 158, 161, 170, 196, 230, 238, 245, 316, 322, 340, 391, 395, 460, 476, 490, 553, 595, 644, 782, 790, 805, 833, 980, 1106, 1127, 1190, 1343, 1564, 1580, 1610, 1666, 1817, 1955, 2212, 2254, 2380, 2686, 2737, 2765, 3220, 3332, 3634, 3871, 3910, 4165, 4508, 5372, 5474, 5530, 5635, 6715, 7268, 7742, 7820, 8330, 9085, 9401, 10948, 11060, 11270, 12719, 13430, 13685, 15484, 16660, 18170, 18802, 19159, 19355, 22540, 25438, 26860, 27370, 30889, 36340, 37604, 38318, 38710, 47005, 50876, 54740, 61778, 63595, 65807, 76636, 77420, 89033, 94010, 95795, 123556, 127190, 131614, 154445, 178066, 188020, 191590, 216223, 254380, 263228, 308890, 329035, 356132, 383180, 432446, 445165, 617780, 658070, 864892, 890330, 1081115, 1316140, 1513561, 1780660, 2162230, 3027122, 4324460, 6054244, 7567805, 15135610, 30271220]

約数ペア:

[(1, 30271220), (2, 15135610), (4, 7567805), (5, 6054244), (7, 4324460), (10, 3027122), (14, 2162230), (17, 1780660), (20, 1513561), (23, 1316140), (28, 1081115), (34, 890330), (35, 864892), (46, 658070), (49, 617780), (68, 445165), (70, 432446), (79, 383180), (85, 356132), (92, 329035), (98, 308890), (115, 263228), (119, 254380), (140, 216223), (158, 191590), (161, 188020), (170, 178066), (196, 154445), (230, 131614), (238, 127190), (245, 123556), (316, 95795), (322, 94010), (340, 89033), (391, 77420), (395, 76636), (460, 65807), (476, 63595), (490, 61778), (553, 54740), (595, 50876), (644, 47005), (782, 38710), (790, 38318), (805, 37604), (833, 36340), (980, 30889), (1106, 27370), (1127, 26860), (1190, 25438), (1343, 22540), (1564, 19355), (1580, 19159), (1610, 18802), (1666, 18170), (1817, 16660), (1955, 15484), (2212, 13685), (2254, 13430), (2380, 12719), (2686, 11270), (2737, 11060), (2765, 10948), (3220, 9401), (3332, 9085), (3634, 8330), (3871, 7820), (3910, 7742), (4165, 7268), (4508, 6715), (5372, 5635), (5474, 5530)]