7800780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 24018624

約数和(自身を除く): 16217844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 137, 146, 156, 195, 219, 260, 274, 292, 365, 390, 411, 438, 548, 685, 730, 780, 822, 876, 949, 1095, 1370, 1460, 1644, 1781, 1898, 2055, 2190, 2740, 2847, 3562, 3796, 4110, 4380, 4745, 5343, 5694, 7124, 8220, 8905, 9490, 10001, 10686, 11388, 14235, 17810, 18980, 20002, 21372, 26715, 28470, 30003, 35620, 40004, 50005, 53430, 56940, 60006, 100010, 106860, 120012, 130013, 150015, 200020, 260026, 300030, 390039, 520052, 600060, 650065, 780078, 1300130, 1560156, 1950195, 2600260, 3900390, 7800780]

約数ペア:

[(1, 7800780), (2, 3900390), (3, 2600260), (4, 1950195), (5, 1560156), (6, 1300130), (10, 780078), (12, 650065), (13, 600060), (15, 520052), (20, 390039), (26, 300030), (30, 260026), (39, 200020), (52, 150015), (60, 130013), (65, 120012), (73, 106860), (78, 100010), (130, 60006), (137, 56940), (146, 53430), (156, 50005), (195, 40004), (219, 35620), (260, 30003), (274, 28470), (292, 26715), (365, 21372), (390, 20002), (411, 18980), (438, 17810), (548, 14235), (685, 11388), (730, 10686), (780, 10001), (822, 9490), (876, 8905), (949, 8220), (1095, 7124), (1370, 5694), (1460, 5343), (1644, 4745), (1781, 4380), (1898, 4110), (2055, 3796), (2190, 3562), (2740, 2847)]