28416180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2185

約数の個数: 96

約数和(自身を含む): 90768384

約数和(自身を除く): 62352204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2143, 2210, 2652, 3315, 4286, 4420, 6429, 6630, 8572, 10715, 12858, 13260, 21430, 25716, 27859, 32145, 36431, 42860, 55718, 64290, 72862, 83577, 109293, 111436, 128580, 139295, 145724, 167154, 182155, 218586, 278590, 334308, 364310, 417885, 437172, 473603, 546465, 557180, 728620, 835770, 947206, 1092930, 1420809, 1671540, 1894412, 2185860, 2368015, 2841618, 4736030, 5683236, 7104045, 9472060, 14208090, 28416180]

約数ペア:

[(1, 28416180), (2, 14208090), (3, 9472060), (4, 7104045), (5, 5683236), (6, 4736030), (10, 2841618), (12, 2368015), (13, 2185860), (15, 1894412), (17, 1671540), (20, 1420809), (26, 1092930), (30, 947206), (34, 835770), (39, 728620), (51, 557180), (52, 546465), (60, 473603), (65, 437172), (68, 417885), (78, 364310), (85, 334308), (102, 278590), (130, 218586), (156, 182155), (170, 167154), (195, 145724), (204, 139295), (221, 128580), (255, 111436), (260, 109293), (340, 83577), (390, 72862), (442, 64290), (510, 55718), (663, 42860), (780, 36431), (884, 32145), (1020, 27859), (1105, 25716), (1326, 21430), (2143, 13260), (2210, 12858), (2652, 10715), (3315, 8572), (4286, 6630), (4420, 6429)]