28867020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 192

約数和(自身を含む): 105670656

約数和(自身を除く): 76803636

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, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 311, 340, 357, 364, 390, 420, 442, 455, 476, 510, 546, 595, 622, 663, 714, 780, 884, 910, 933, 1020, 1092, 1105, 1190, 1244, 1326, 1365, 1428, 1547, 1555, 1785, 1820, 1866, 2177, 2210, 2380, 2652, 2730, 3094, 3110, 3315, 3570, 3732, 4043, 4354, 4420, 4641, 4665, 5287, 5460, 6188, 6220, 6531, 6630, 7140, 7735, 8086, 8708, 9282, 9330, 10574, 10885, 12129, 13062, 13260, 15470, 15861, 16172, 18564, 18660, 20215, 21148, 21770, 23205, 24258, 26124, 26435, 28301, 30940, 31722, 32655, 37009, 40430, 43540, 46410, 48516, 52870, 56602, 60645, 63444, 65310, 68731, 74018, 79305, 80860, 84903, 92820, 105740, 111027, 113204, 121290, 130620, 137462, 141505, 148036, 158610, 169806, 185045, 206193, 222054, 242580, 274924, 283010, 317220, 339612, 343655, 370090, 412386, 424515, 444108, 481117, 555135, 566020, 687310, 740180, 824772, 849030, 962234, 1030965, 1110270, 1374620, 1443351, 1698060, 1924468, 2061930, 2220540, 2405585, 2886702, 4123860, 4811170, 5773404, 7216755, 9622340, 14433510, 28867020]

約数ペア:

[(1, 28867020), (2, 14433510), (3, 9622340), (4, 7216755), (5, 5773404), (6, 4811170), (7, 4123860), (10, 2886702), (12, 2405585), (13, 2220540), (14, 2061930), (15, 1924468), (17, 1698060), (20, 1443351), (21, 1374620), (26, 1110270), (28, 1030965), (30, 962234), (34, 849030), (35, 824772), (39, 740180), (42, 687310), (51, 566020), (52, 555135), (60, 481117), (65, 444108), (68, 424515), (70, 412386), (78, 370090), (84, 343655), (85, 339612), (91, 317220), (102, 283010), (105, 274924), (119, 242580), (130, 222054), (140, 206193), (156, 185045), (170, 169806), (182, 158610), (195, 148036), (204, 141505), (210, 137462), (221, 130620), (238, 121290), (255, 113204), (260, 111027), (273, 105740), (311, 92820), (340, 84903), (357, 80860), (364, 79305), (390, 74018), (420, 68731), (442, 65310), (455, 63444), (476, 60645), (510, 56602), (546, 52870), (595, 48516), (622, 46410), (663, 43540), (714, 40430), (780, 37009), (884, 32655), (910, 31722), (933, 30940), (1020, 28301), (1092, 26435), (1105, 26124), (1190, 24258), (1244, 23205), (1326, 21770), (1365, 21148), (1428, 20215), (1547, 18660), (1555, 18564), (1785, 16172), (1820, 15861), (1866, 15470), (2177, 13260), (2210, 13062), (2380, 12129), (2652, 10885), (2730, 10574), (3094, 9330), (3110, 9282), (3315, 8708), (3570, 8086), (3732, 7735), (4043, 7140), (4354, 6630), (4420, 6531), (4641, 6220), (4665, 6188), (5287, 5460)]