28261170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 90777600

約数和(自身を除く): 62516430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 787, 798, 855, 945, 1026, 1197, 1330, 1574, 1710, 1890, 1995, 2361, 2394, 2565, 3591, 3935, 3990, 4722, 5130, 5509, 5985, 7083, 7182, 7870, 11018, 11805, 11970, 14166, 14953, 16527, 17955, 21249, 23610, 27545, 29906, 33054, 35415, 35910, 42498, 44859, 49581, 55090, 70830, 74765, 82635, 89718, 99162, 104671, 106245, 134577, 148743, 149530, 165270, 209342, 212490, 224295, 247905, 269154, 297486, 314013, 403731, 448590, 495810, 523355, 628026, 672885, 743715, 807462, 942039, 1046710, 1345770, 1487430, 1570065, 1884078, 2018655, 2826117, 3140130, 4037310, 4710195, 5652234, 9420390, 14130585, 28261170]

約数ペア:

[(1, 28261170), (2, 14130585), (3, 9420390), (5, 5652234), (6, 4710195), (7, 4037310), (9, 3140130), (10, 2826117), (14, 2018655), (15, 1884078), (18, 1570065), (19, 1487430), (21, 1345770), (27, 1046710), (30, 942039), (35, 807462), (38, 743715), (42, 672885), (45, 628026), (54, 523355), (57, 495810), (63, 448590), (70, 403731), (90, 314013), (95, 297486), (105, 269154), (114, 247905), (126, 224295), (133, 212490), (135, 209342), (171, 165270), (189, 149530), (190, 148743), (210, 134577), (266, 106245), (270, 104671), (285, 99162), (315, 89718), (342, 82635), (378, 74765), (399, 70830), (513, 55090), (570, 49581), (630, 44859), (665, 42498), (787, 35910), (798, 35415), (855, 33054), (945, 29906), (1026, 27545), (1197, 23610), (1330, 21249), (1574, 17955), (1710, 16527), (1890, 14953), (1995, 14166), (2361, 11970), (2394, 11805), (2565, 11018), (3591, 7870), (3935, 7182), (3990, 7083), (4722, 5985), (5130, 5509)]