30837660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 106523424

約数和(自身を除く): 75685764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 617, 714, 735, 833, 980, 1020, 1190, 1234, 1428, 1470, 1666, 1785, 1851, 2380, 2468, 2499, 2940, 3085, 3332, 3570, 3702, 4165, 4319, 4998, 6170, 7140, 7404, 8330, 8638, 9255, 9996, 10489, 12340, 12495, 12957, 16660, 17276, 18510, 20978, 21595, 24990, 25914, 30233, 31467, 37020, 41956, 43190, 49980, 51828, 52445, 60466, 62934, 64785, 73423, 86380, 90699, 104890, 120932, 125868, 129570, 146846, 151165, 157335, 181398, 209780, 220269, 259140, 293692, 302330, 314670, 362796, 367115, 440538, 453495, 513961, 604660, 629340, 734230, 881076, 906990, 1027922, 1101345, 1468460, 1541883, 1813980, 2055844, 2202690, 2569805, 3083766, 4405380, 5139610, 6167532, 7709415, 10279220, 15418830, 30837660]

約数ペア:

[(1, 30837660), (2, 15418830), (3, 10279220), (4, 7709415), (5, 6167532), (6, 5139610), (7, 4405380), (10, 3083766), (12, 2569805), (14, 2202690), (15, 2055844), (17, 1813980), (20, 1541883), (21, 1468460), (28, 1101345), (30, 1027922), (34, 906990), (35, 881076), (42, 734230), (49, 629340), (51, 604660), (60, 513961), (68, 453495), (70, 440538), (84, 367115), (85, 362796), (98, 314670), (102, 302330), (105, 293692), (119, 259140), (140, 220269), (147, 209780), (170, 181398), (196, 157335), (204, 151165), (210, 146846), (238, 129570), (245, 125868), (255, 120932), (294, 104890), (340, 90699), (357, 86380), (420, 73423), (476, 64785), (490, 62934), (510, 60466), (588, 52445), (595, 51828), (617, 49980), (714, 43190), (735, 41956), (833, 37020), (980, 31467), (1020, 30233), (1190, 25914), (1234, 24990), (1428, 21595), (1470, 20978), (1666, 18510), (1785, 17276), (1851, 16660), (2380, 12957), (2468, 12495), (2499, 12340), (2940, 10489), (3085, 9996), (3332, 9255), (3570, 8638), (3702, 8330), (4165, 7404), (4319, 7140), (4998, 6170)]